Home / 7,329.11-10,990.94-3,169.71

Finding the Fourth Proportional to 7,329.11, 10,990.94 and 3,169.71

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Solution

The fourth proportional to 7,329.11, 10,990.94 and 3,169.71 is: 4,753.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,329.11 : 10,990.94 = 3,169.71 : x
  2. Step 2: Convert to fraction form
    7,329.11/10,990.94 = 3,169.71/x
  3. Step 3: Cross multiply
    7,329.11x = 10,990.94 × 3,169.71
  4. Step 4: Simplify right side
    7,329.11x = 34,838,076.58
  5. Step 5: Solve for x
    x = 34,838,076.58/7,329.11
  6. Step 6: Final answer
    x = 4,753.39

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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.