Home / 8,230.45-12,348.56-2,387.41

Finding the Fourth Proportional to 8,230.45, 12,348.56 and 2,387.41

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Solution

The fourth proportional to 8,230.45, 12,348.56 and 2,387.41 is: 3,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,230.45 : 12,348.56 = 2,387.41 : x
  2. Step 2: Convert to fraction form
    8,230.45/12,348.56 = 2,387.41/x
  3. Step 3: Cross multiply
    8,230.45x = 12,348.56 × 2,387.41
  4. Step 4: Simplify right side
    8,230.45x = 29,481,063.69
  5. Step 5: Solve for x
    x = 29,481,063.69/8,230.45
  6. Step 6: Final answer
    x = 3,581.95

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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.