Home / 5,432.91-8,149.10-2,972.54

Finding the Fourth Proportional to 5,432.91, 8,149.10 and 2,972.54

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Solution

The fourth proportional to 5,432.91, 8,149.10 and 2,972.54 is: 4,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.91 : 8,149.10 = 2,972.54 : x
  2. Step 2: Convert to fraction form
    5,432.91/8,149.10 = 2,972.54/x
  3. Step 3: Cross multiply
    5,432.91x = 8,149.10 × 2,972.54
  4. Step 4: Simplify right side
    5,432.91x = 24,223,470.11
  5. Step 5: Solve for x
    x = 24,223,470.11/5,432.91
  6. Step 6: Final answer
    x = 4,458.65

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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.