Home / 7,562.42-11,339.72-3,398.87

Finding the Fourth Proportional to 7,562.42, 11,339.72 and 3,398.87

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Solution

The fourth proportional to 7,562.42, 11,339.72 and 3,398.87 is: 5,096.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,562.42 : 11,339.72 = 3,398.87 : x
  2. Step 2: Convert to fraction form
    7,562.42/11,339.72 = 3,398.87/x
  3. Step 3: Cross multiply
    7,562.42x = 11,339.72 × 3,398.87
  4. Step 4: Simplify right side
    7,562.42x = 38,542,234.12
  5. Step 5: Solve for x
    x = 38,542,234.12/7,562.42
  6. Step 6: Final answer
    x = 5,096.55

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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.