Home / 6,487.38-9,732.28-2,104.26

Finding the Fourth Proportional to 6,487.38, 9,732.28 and 2,104.26

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Solution

The fourth proportional to 6,487.38, 9,732.28 and 2,104.26 is: 3,156.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.38 : 9,732.28 = 2,104.26 : x
  2. Step 2: Convert to fraction form
    6,487.38/9,732.28 = 2,104.26/x
  3. Step 3: Cross multiply
    6,487.38x = 9,732.28 × 2,104.26
  4. Step 4: Simplify right side
    6,487.38x = 20,479,247.51
  5. Step 5: Solve for x
    x = 20,479,247.51/6,487.38
  6. Step 6: Final answer
    x = 3,156.78

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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.