Home / 8,171.38-12,252.12-3,667.62

Finding the Fourth Proportional to 8,171.38, 12,252.12 and 3,667.62

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Solution

The fourth proportional to 8,171.38, 12,252.12 and 3,667.62 is: 5,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.38 : 12,252.12 = 3,667.62 : x
  2. Step 2: Convert to fraction form
    8,171.38/12,252.12 = 3,667.62/x
  3. Step 3: Cross multiply
    8,171.38x = 12,252.12 × 3,667.62
  4. Step 4: Simplify right side
    8,171.38x = 44,936,120.35
  5. Step 5: Solve for x
    x = 44,936,120.35/8,171.38
  6. Step 6: Final answer
    x = 5,499.21

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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.