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Finding the Fourth Proportional to 6,663.32, 9,973.82 and 3,732.68

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Solution

The fourth proportional to 6,663.32, 9,973.82 and 3,732.68 is: 5,587.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,663.32 : 9,973.82 = 3,732.68 : x
  2. Step 2: Convert to fraction form
    6,663.32/9,973.82 = 3,732.68/x
  3. Step 3: Cross multiply
    6,663.32x = 9,973.82 × 3,732.68
  4. Step 4: Simplify right side
    6,663.32x = 37,229,078.44
  5. Step 5: Solve for x
    x = 37,229,078.44/6,663.32
  6. Step 6: Final answer
    x = 5,587.17

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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.