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Finding the Fourth Proportional to 9,083.52, 13,630.53 and 3,818.11

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Solution

The fourth proportional to 9,083.52, 13,630.53 and 3,818.11 is: 5,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,083.52 : 13,630.53 = 3,818.11 : x
  2. Step 2: Convert to fraction form
    9,083.52/13,630.53 = 3,818.11/x
  3. Step 3: Cross multiply
    9,083.52x = 13,630.53 × 3,818.11
  4. Step 4: Simplify right side
    9,083.52x = 52,042,862.90
  5. Step 5: Solve for x
    x = 52,042,862.90/9,083.52
  6. Step 6: Final answer
    x = 5,729.37

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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.