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Finding the Fourth Proportional to 8,932.03, 13,398.93 and 3,087.88

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Solution

The fourth proportional to 8,932.03, 13,398.93 and 3,087.88 is: 4,632.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.03 : 13,398.93 = 3,087.88 : x
  2. Step 2: Convert to fraction form
    8,932.03/13,398.93 = 3,087.88/x
  3. Step 3: Cross multiply
    8,932.03x = 13,398.93 × 3,087.88
  4. Step 4: Simplify right side
    8,932.03x = 41,374,287.97
  5. Step 5: Solve for x
    x = 41,374,287.97/8,932.03
  6. Step 6: Final answer
    x = 4,632.13

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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.