Home / 8,344.34-12,517.89-3,959.40

Finding the Fourth Proportional to 8,344.34, 12,517.89 and 3,959.40

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Solution

The fourth proportional to 8,344.34, 12,517.89 and 3,959.40 is: 5,939.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,344.34 : 12,517.89 = 3,959.40 : x
  2. Step 2: Convert to fraction form
    8,344.34/12,517.89 = 3,959.40/x
  3. Step 3: Cross multiply
    8,344.34x = 12,517.89 × 3,959.40
  4. Step 4: Simplify right side
    8,344.34x = 49,563,333.67
  5. Step 5: Solve for x
    x = 49,563,333.67/8,344.34
  6. Step 6: Final answer
    x = 5,939.76

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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.