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Finding the Fourth Proportional to 8,581.08, 12,870.90 and 2,737.56

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Solution

The fourth proportional to 8,581.08, 12,870.90 and 2,737.56 is: 4,106.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.08 : 12,870.90 = 2,737.56 : x
  2. Step 2: Convert to fraction form
    8,581.08/12,870.90 = 2,737.56/x
  3. Step 3: Cross multiply
    8,581.08x = 12,870.90 × 2,737.56
  4. Step 4: Simplify right side
    8,581.08x = 35,234,861.00
  5. Step 5: Solve for x
    x = 35,234,861.00/8,581.08
  6. Step 6: Final answer
    x = 4,106.11

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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.