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Finding the Fourth Proportional to 8,529.82, 12,796.11 and 3,600.18

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Solution

The fourth proportional to 8,529.82, 12,796.11 and 3,600.18 is: 5,400.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.82 : 12,796.11 = 3,600.18 : x
  2. Step 2: Convert to fraction form
    8,529.82/12,796.11 = 3,600.18/x
  3. Step 3: Cross multiply
    8,529.82x = 12,796.11 × 3,600.18
  4. Step 4: Simplify right side
    8,529.82x = 46,068,299.30
  5. Step 5: Solve for x
    x = 46,068,299.30/8,529.82
  6. Step 6: Final answer
    x = 5,400.85

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1.5x scale

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.