Home / 7,972.44-11,001.91-4,387.62

Finding the Fourth Proportional to 7,972.44, 11,001.91 and 4,387.62

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Solution

The fourth proportional to 7,972.44, 11,001.91 and 4,387.62 is: 6,054.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.44 : 11,001.91 = 4,387.62 : x
  2. Step 2: Convert to fraction form
    7,972.44/11,001.91 = 4,387.62/x
  3. Step 3: Cross multiply
    7,972.44x = 11,001.91 × 4,387.62
  4. Step 4: Simplify right side
    7,972.44x = 48,272,123.41
  5. Step 5: Solve for x
    x = 48,272,123.41/7,972.44
  6. Step 6: Final answer
    x = 6,054.88

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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.