Home / 10,540.31-15,808.88-3,964.97

Finding the Fourth Proportional to 10,540.31, 15,808.88 and 3,964.97

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Solution

The fourth proportional to 10,540.31, 15,808.88 and 3,964.97 is: 5,946.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.31 : 15,808.88 = 3,964.97 : x
  2. Step 2: Convert to fraction form
    10,540.31/15,808.88 = 3,964.97/x
  3. Step 3: Cross multiply
    10,540.31x = 15,808.88 × 3,964.97
  4. Step 4: Simplify right side
    10,540.31x = 62,681,715.11
  5. Step 5: Solve for x
    x = 62,681,715.11/10,540.31
  6. Step 6: Final answer
    x = 5,946.86

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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.