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Finding the Fourth Proportional to 8,044.80, 12,058.80 and 3,878.52

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Solution

The fourth proportional to 8,044.80, 12,058.80 and 3,878.52 is: 5,813.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,044.80 : 12,058.80 = 3,878.52 : x
  2. Step 2: Convert to fraction form
    8,044.80/12,058.80 = 3,878.52/x
  3. Step 3: Cross multiply
    8,044.80x = 12,058.80 × 3,878.52
  4. Step 4: Simplify right side
    8,044.80x = 46,770,296.98
  5. Step 5: Solve for x
    x = 46,770,296.98/8,044.80
  6. Step 6: Final answer
    x = 5,813.73

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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.