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Finding the Fourth Proportional to 8,734.52, 12,053.30 and 4,755.53

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Solution

The fourth proportional to 8,734.52, 12,053.30 and 4,755.53 is: 6,562.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.52 : 12,053.30 = 4,755.53 : x
  2. Step 2: Convert to fraction form
    8,734.52/12,053.30 = 4,755.53/x
  3. Step 3: Cross multiply
    8,734.52x = 12,053.30 × 4,755.53
  4. Step 4: Simplify right side
    8,734.52x = 57,319,745.70
  5. Step 5: Solve for x
    x = 57,319,745.70/8,734.52
  6. Step 6: Final answer
    x = 6,562.44

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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.