Home / 8,129.28-12,194.10-2,582.52

Finding the Fourth Proportional to 8,129.28, 12,194.10 and 2,582.52

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Solution

The fourth proportional to 8,129.28, 12,194.10 and 2,582.52 is: 3,873.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.28 : 12,194.10 = 2,582.52 : x
  2. Step 2: Convert to fraction form
    8,129.28/12,194.10 = 2,582.52/x
  3. Step 3: Cross multiply
    8,129.28x = 12,194.10 × 2,582.52
  4. Step 4: Simplify right side
    8,129.28x = 31,491,507.13
  5. Step 5: Solve for x
    x = 31,491,507.13/8,129.28
  6. Step 6: Final answer
    x = 3,873.84

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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.