Home / 5,272.89-7,909.28-1,575.15

Finding the Fourth Proportional to 5,272.89, 7,909.28 and 1,575.15

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Solution

The fourth proportional to 5,272.89, 7,909.28 and 1,575.15 is: 2,362.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.89 : 7,909.28 = 1,575.15 : x
  2. Step 2: Convert to fraction form
    5,272.89/7,909.28 = 1,575.15/x
  3. Step 3: Cross multiply
    5,272.89x = 7,909.28 × 1,575.15
  4. Step 4: Simplify right side
    5,272.89x = 12,458,294.52
  5. Step 5: Solve for x
    x = 12,458,294.52/5,272.89
  6. Step 6: Final answer
    x = 2,362.71

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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.