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Finding the Fourth Proportional to 8,545.64, 12,819.67 and 2,700.95

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Solution

The fourth proportional to 8,545.64, 12,819.67 and 2,700.95 is: 4,051.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.64 : 12,819.67 = 2,700.95 : x
  2. Step 2: Convert to fraction form
    8,545.64/12,819.67 = 2,700.95/x
  3. Step 3: Cross multiply
    8,545.64x = 12,819.67 × 2,700.95
  4. Step 4: Simplify right side
    8,545.64x = 34,625,216.84
  5. Step 5: Solve for x
    x = 34,625,216.84/8,545.64
  6. Step 6: Final answer
    x = 4,051.80

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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.