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  1. Learn what direct proportion means and how to use the proportional symbol and formula. See real-life examples of direct proportion in cost, work, fuel consumption, and more.

  2. Learn what directly proportional means and how to use the symbol ∝ and the formula y = kx. See examples of directly proportional situations, such as earnings and hours worked, and how to solve problems involving constant of proportionality.

  3. Examples of Direct Proportion. 1. Food Preparation at Home. 2. Cost of an Object vs the Number of Objects Purchased. 3. Earning of a Worker per Day. 4. Food Requirement at a Hostel. 5. Petrol Consumption and Distance Travelled. 6. Shadow and Height of Objects. 7. Age and Height of a Person. 8. Time taken and Distance covered by a Vehicle. 9.

  4. Many real-life situations have direct proportionalities, for example: The work done is directly proportional to the number of workers. The cost of food is directly proportional to weight. The amount of gasoline consumed is proportional to the distance traveled.

  5. Directly proportional. Here we will learn what it means to be directly proportional, including what direct proportion is and how to solve direct proportion problems. We will also look at solving word problems involving direct proportions.

  6. Where in everyday situations we can find directly proportional values? Give examples. If you answer 3 questions correctly, you are the champion. 1. A worker makes 16 details in an hour. How many details will he make in 1,5 hours? 2. In 8 hours a pump pumps 72 litres of water. How many litres will it pump in 2 hours? 3.

  7. Direct Proportion. Direct proportion or direct variation is the relation between two quantities where the ratio of the two is equal to a constant value. It is represented by the proportional symbol, ∝.

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