Home / 11,078.46-16,617.78-3,287.27

Finding the Fourth Proportional to 11,078.46, 16,617.78 and 3,287.27

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Solution

The fourth proportional to 11,078.46, 16,617.78 and 3,287.27 is: 4,930.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,078.46 : 16,617.78 = 3,287.27 : x
  2. Step 2: Convert to fraction form
    11,078.46/16,617.78 = 3,287.27/x
  3. Step 3: Cross multiply
    11,078.46x = 16,617.78 × 3,287.27
  4. Step 4: Simplify right side
    11,078.46x = 54,627,046.57
  5. Step 5: Solve for x
    x = 54,627,046.57/11,078.46
  6. Step 6: Final answer
    x = 4,930.92

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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.