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Finding the Fourth Proportional to 34,834.34, 52,251.66 and 8,539.11

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Solution

The fourth proportional to 34,834.34, 52,251.66 and 8,539.11 is: 12,808.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,834.34 : 52,251.66 = 8,539.11 : x
  2. Step 2: Convert to fraction form
    34,834.34/52,251.66 = 8,539.11/x
  3. Step 3: Cross multiply
    34,834.34x = 52,251.66 × 8,539.11
  4. Step 4: Simplify right side
    34,834.34x = 446,182,672.42
  5. Step 5: Solve for x
    x = 446,182,672.42/34,834.34
  6. Step 6: Final answer
    x = 12,808.70

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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.