Home / 7,972.52-11,001.20-4,614.62

Finding the Fourth Proportional to 7,972.52, 11,001.20 and 4,614.62

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Solution

The fourth proportional to 7,972.52, 11,001.20 and 4,614.62 is: 6,367.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.52 : 11,001.20 = 4,614.62 : x
  2. Step 2: Convert to fraction form
    7,972.52/11,001.20 = 4,614.62/x
  3. Step 3: Cross multiply
    7,972.52x = 11,001.20 × 4,614.62
  4. Step 4: Simplify right side
    7,972.52x = 50,766,279.46
  5. Step 5: Solve for x
    x = 50,766,279.46/7,972.52
  6. Step 6: Final answer
    x = 6,367.66

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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.