Home / 10,461.57-15,689.03-3,439.97

Finding the Fourth Proportional to 10,461.57, 15,689.03 and 3,439.97

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Solution

The fourth proportional to 10,461.57, 15,689.03 and 3,439.97 is: 5,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,461.57 : 15,689.03 = 3,439.97 : x
  2. Step 2: Convert to fraction form
    10,461.57/15,689.03 = 3,439.97/x
  3. Step 3: Cross multiply
    10,461.57x = 15,689.03 × 3,439.97
  4. Step 4: Simplify right side
    10,461.57x = 53,969,696.88
  5. Step 5: Solve for x
    x = 53,969,696.88/10,461.57
  6. Step 6: Final answer
    x = 5,158.85

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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.