Home / 8,114.10-12,171.15-4,983.95

Finding the Fourth Proportional to 8,114.10, 12,171.15 and 4,983.95

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Solution

The fourth proportional to 8,114.10, 12,171.15 and 4,983.95 is: 7,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,114.10 : 12,171.15 = 4,983.95 : x
  2. Step 2: Convert to fraction form
    8,114.10/12,171.15 = 4,983.95/x
  3. Step 3: Cross multiply
    8,114.10x = 12,171.15 × 4,983.95
  4. Step 4: Simplify right side
    8,114.10x = 60,660,342.19
  5. Step 5: Solve for x
    x = 60,660,342.19/8,114.10
  6. Step 6: Final answer
    x = 7,475.92

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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.