Home / 5.01-7.51-2

Finding the Fourth Proportional to 5.01, 7.51 and 2

Calculator

Solution

The fourth proportional to 5.01, 7.51 and 2 is: 3.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.01 : 7.51 = 2 : x
  2. Step 2: Convert to fraction form
    5.01/7.51 = 2/x
  3. Step 3: Cross multiply
    5.01x = 7.51 × 2
  4. Step 4: Simplify right side
    5.01x = 15.01
  5. Step 5: Solve for x
    x = 15.01/5.01
  6. Step 6: Final answer
    x = 3.00

Related Problems

Find fourth proportional to 2.51, 3.75 and 1
Half scale
Find fourth proportional to 10.02, 15.01 and 4
Double scale
Find fourth proportional to 6.01, 9 and 3
Similar ratio
Find fourth proportional to 7.52, 11.26 and 3
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.