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Finding the Fourth Proportional to 8,304.42, 12,450.60 and 3,919.44

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Solution

The fourth proportional to 8,304.42, 12,450.60 and 3,919.44 is: 5,876.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.42 : 12,450.60 = 3,919.44 : x
  2. Step 2: Convert to fraction form
    8,304.42/12,450.60 = 3,919.44/x
  3. Step 3: Cross multiply
    8,304.42x = 12,450.60 × 3,919.44
  4. Step 4: Simplify right side
    8,304.42x = 48,799,379.66
  5. Step 5: Solve for x
    x = 48,799,379.66/8,304.42
  6. Step 6: Final answer
    x = 5,876.31

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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.