Home / 9,387.87-14,083.47-3,149.90

Finding the Fourth Proportional to 9,387.87, 14,083.47 and 3,149.90

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Solution

The fourth proportional to 9,387.87, 14,083.47 and 3,149.90 is: 4,725.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.87 : 14,083.47 = 3,149.90 : x
  2. Step 2: Convert to fraction form
    9,387.87/14,083.47 = 3,149.90/x
  3. Step 3: Cross multiply
    9,387.87x = 14,083.47 × 3,149.90
  4. Step 4: Simplify right side
    9,387.87x = 44,361,583.77
  5. Step 5: Solve for x
    x = 44,361,583.77/9,387.87
  6. Step 6: Final answer
    x = 4,725.42

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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.