Home / 6,318.72-9,475.20-3,242.88

Finding the Fourth Proportional to 6,318.72, 9,475.20 and 3,242.88

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Solution

The fourth proportional to 6,318.72, 9,475.20 and 3,242.88 is: 4,862.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.72 : 9,475.20 = 3,242.88 : x
  2. Step 2: Convert to fraction form
    6,318.72/9,475.20 = 3,242.88/x
  3. Step 3: Cross multiply
    6,318.72x = 9,475.20 × 3,242.88
  4. Step 4: Simplify right side
    6,318.72x = 30,726,936.58
  5. Step 5: Solve for x
    x = 30,726,936.58/6,318.72
  6. Step 6: Final answer
    x = 4,862.84

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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.