Home / 8,107.53-12,154.11-3,173.70

Finding the Fourth Proportional to 8,107.53, 12,154.11 and 3,173.70

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Solution

The fourth proportional to 8,107.53, 12,154.11 and 3,173.70 is: 4,757.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,107.53 : 12,154.11 = 3,173.70 : x
  2. Step 2: Convert to fraction form
    8,107.53/12,154.11 = 3,173.70/x
  3. Step 3: Cross multiply
    8,107.53x = 12,154.11 × 3,173.70
  4. Step 4: Simplify right side
    8,107.53x = 38,573,498.91
  5. Step 5: Solve for x
    x = 38,573,498.91/8,107.53
  6. Step 6: Final answer
    x = 4,757.74

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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.