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Finding the Fourth Proportional to 8,433.63, 12,650.45 and 3,752.55

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Solution

The fourth proportional to 8,433.63, 12,650.45 and 3,752.55 is: 5,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.63 : 12,650.45 = 3,752.55 : x
  2. Step 2: Convert to fraction form
    8,433.63/12,650.45 = 3,752.55/x
  3. Step 3: Cross multiply
    8,433.63x = 12,650.45 × 3,752.55
  4. Step 4: Simplify right side
    8,433.63x = 47,471,427.38
  5. Step 5: Solve for x
    x = 47,471,427.38/8,433.63
  6. Step 6: Final answer
    x = 5,628.83

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Double scale
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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.