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Finding the Fourth Proportional to 8,394.10, 12,591.18 and 2,550.76

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Solution

The fourth proportional to 8,394.10, 12,591.18 and 2,550.76 is: 3,826.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394.10 : 12,591.18 = 2,550.76 : x
  2. Step 2: Convert to fraction form
    8,394.10/12,591.18 = 2,550.76/x
  3. Step 3: Cross multiply
    8,394.10x = 12,591.18 × 2,550.76
  4. Step 4: Simplify right side
    8,394.10x = 32,117,078.30
  5. Step 5: Solve for x
    x = 32,117,078.30/8,394.10
  6. Step 6: Final answer
    x = 3,826.15

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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.