Home / 5,459.55-7,538.90-5,179.29

Finding the Fourth Proportional to 5,459.55, 7,538.90 and 5,179.29

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Solution

The fourth proportional to 5,459.55, 7,538.90 and 5,179.29 is: 7,151.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459.55 : 7,538.90 = 5,179.29 : x
  2. Step 2: Convert to fraction form
    5,459.55/7,538.90 = 5,179.29/x
  3. Step 3: Cross multiply
    5,459.55x = 7,538.90 × 5,179.29
  4. Step 4: Simplify right side
    5,459.55x = 39,046,202.52
  5. Step 5: Solve for x
    x = 39,046,202.52/5,459.55
  6. Step 6: Final answer
    x = 7,151.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.