Home / 9,200.38-12,691.47-5,840.92

Finding the Fourth Proportional to 9,200.38, 12,691.47 and 5,840.92

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Solution

The fourth proportional to 9,200.38, 12,691.47 and 5,840.92 is: 8,057.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,200.38 : 12,691.47 = 5,840.92 : x
  2. Step 2: Convert to fraction form
    9,200.38/12,691.47 = 5,840.92/x
  3. Step 3: Cross multiply
    9,200.38x = 12,691.47 × 5,840.92
  4. Step 4: Simplify right side
    9,200.38x = 74,129,860.95
  5. Step 5: Solve for x
    x = 74,129,860.95/9,200.38
  6. Step 6: Final answer
    x = 8,057.26

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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.