Proportions with Ratios

Solve:

• 6

• 7

• -8

• -5

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

Solve for x

• x=1

• x=3

• x=3/5

• x=2

Which represents the relationship of oranges to fruit?

• 2:6

• 2:4

• 4:6

• 4:2

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Solve the proportion.

• k=5

• k=3.3333333

• k=60

• k=90

A class is attended by 16 boys and 32 girls. Write the ratio of GIRLS to BOYS as a fraction in SIMPLEST FORM.

There are 4 birds and 6 snakes. What is the ratio of birds to snakes?

• 6/4

• 4/6

• 1/3

• 10/16

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion