Home / 8,234.40-12,349.92-3,039.04

Finding the Fourth Proportional to 8,234.40, 12,349.92 and 3,039.04

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Solution

The fourth proportional to 8,234.40, 12,349.92 and 3,039.04 is: 4,557.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.40 : 12,349.92 = 3,039.04 : x
  2. Step 2: Convert to fraction form
    8,234.40/12,349.92 = 3,039.04/x
  3. Step 3: Cross multiply
    8,234.40x = 12,349.92 × 3,039.04
  4. Step 4: Simplify right side
    8,234.40x = 37,531,900.88
  5. Step 5: Solve for x
    x = 37,531,900.88/8,234.40
  6. Step 6: Final answer
    x = 4,557.94

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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.