Home / 6,432.13-9,649.48-3,145.29

Finding the Fourth Proportional to 6,432.13, 9,649.48 and 3,145.29

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Solution

The fourth proportional to 6,432.13, 9,649.48 and 3,145.29 is: 4,718.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,432.13 : 9,649.48 = 3,145.29 : x
  2. Step 2: Convert to fraction form
    6,432.13/9,649.48 = 3,145.29/x
  3. Step 3: Cross multiply
    6,432.13x = 9,649.48 × 3,145.29
  4. Step 4: Simplify right side
    6,432.13x = 30,350,412.95
  5. Step 5: Solve for x
    x = 30,350,412.95/6,432.13
  6. Step 6: Final answer
    x = 4,718.56

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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.