Home / 8,132.43-12,200.15-2,587.17

Finding the Fourth Proportional to 8,132.43, 12,200.15 and 2,587.17

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Solution

The fourth proportional to 8,132.43, 12,200.15 and 2,587.17 is: 3,881.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.43 : 12,200.15 = 2,587.17 : x
  2. Step 2: Convert to fraction form
    8,132.43/12,200.15 = 2,587.17/x
  3. Step 3: Cross multiply
    8,132.43x = 12,200.15 × 2,587.17
  4. Step 4: Simplify right side
    8,132.43x = 31,563,862.08
  5. Step 5: Solve for x
    x = 31,563,862.08/8,132.43
  6. Step 6: Final answer
    x = 3,881.23

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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.