MORE proportion word problems. Real world problems. Ready!

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal. It can be used to solve problems involving relationships between quantities.

Front

How do you set up a proportion for a word problem?

Back

Identify the two quantities that are being compared, write them as fractions, and set them equal to each other.

Front

If 4 bunches of grapes cost $10, how do you find the cost of x bunches?

Back

Front

What is the first step in solving a proportion?

Back

Cross-multiply the two fractions to create an equation.

Front

How do you find the value of x in a proportion?

Back

After cross-multiplying, isolate x by dividing both sides by the remaining number.

Front

What does it mean to 'cross-multiply'?

Back

Cross-multiplying means multiplying the numerator of one fraction by the denominator of the other fraction.

Front

Back

x represents the amount of dollars you would get for exchanging 132 Pounds.

Front

How do you determine which quantities to place in the numerator and denominator of a proportion?

Back

Place quantities that are of the same type in the same position (numerator or denominator) across the equal sign.

Front

If 20 apples cost $12, how do you find the cost of x apples?

Back

Front

What is the relationship between the quantities in a proportion?

Back

The relationship is that the ratios of the two quantities are equal.