Home / 8,342.19-12,515.31-2,498.85

Finding the Fourth Proportional to 8,342.19, 12,515.31 and 2,498.85

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Solution

The fourth proportional to 8,342.19, 12,515.31 and 2,498.85 is: 3,748.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.19 : 12,515.31 = 2,498.85 : x
  2. Step 2: Convert to fraction form
    8,342.19/12,515.31 = 2,498.85/x
  3. Step 3: Cross multiply
    8,342.19x = 12,515.31 × 2,498.85
  4. Step 4: Simplify right side
    8,342.19x = 31,273,882.39
  5. Step 5: Solve for x
    x = 31,273,882.39/8,342.19
  6. Step 6: Final answer
    x = 3,748.88

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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.