Home / 8,387.25-12,581.78-3,193.14

Finding the Fourth Proportional to 8,387.25, 12,581.78 and 3,193.14

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Solution

The fourth proportional to 8,387.25, 12,581.78 and 3,193.14 is: 4,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.25 : 12,581.78 = 3,193.14 : x
  2. Step 2: Convert to fraction form
    8,387.25/12,581.78 = 3,193.14/x
  3. Step 3: Cross multiply
    8,387.25x = 12,581.78 × 3,193.14
  4. Step 4: Simplify right side
    8,387.25x = 40,175,369.02
  5. Step 5: Solve for x
    x = 40,175,369.02/8,387.25
  6. Step 6: Final answer
    x = 4,790.05

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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.