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Finding the Fourth Proportional to 8,550.76, 12,826.14 and 3,933.80

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Solution

The fourth proportional to 8,550.76, 12,826.14 and 3,933.80 is: 5,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.76 : 12,826.14 = 3,933.80 : x
  2. Step 2: Convert to fraction form
    8,550.76/12,826.14 = 3,933.80/x
  3. Step 3: Cross multiply
    8,550.76x = 12,826.14 × 3,933.80
  4. Step 4: Simplify right side
    8,550.76x = 50,455,469.53
  5. Step 5: Solve for x
    x = 50,455,469.53/8,550.76
  6. Step 6: Final answer
    x = 5,900.70

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Similar ratio
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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.