Home / 9,148.27-13,722.08-3,879.89

Finding the Fourth Proportional to 9,148.27, 13,722.08 and 3,879.89

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Solution

The fourth proportional to 9,148.27, 13,722.08 and 3,879.89 is: 5,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.27 : 13,722.08 = 3,879.89 : x
  2. Step 2: Convert to fraction form
    9,148.27/13,722.08 = 3,879.89/x
  3. Step 3: Cross multiply
    9,148.27x = 13,722.08 × 3,879.89
  4. Step 4: Simplify right side
    9,148.27x = 53,240,160.97
  5. Step 5: Solve for x
    x = 53,240,160.97/9,148.27
  6. Step 6: Final answer
    x = 5,819.70

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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.