Home / 9,214.92-13,819.36-3,949.80

Finding the Fourth Proportional to 9,214.92, 13,819.36 and 3,949.80

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Solution

The fourth proportional to 9,214.92, 13,819.36 and 3,949.80 is: 5,923.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214.92 : 13,819.36 = 3,949.80 : x
  2. Step 2: Convert to fraction form
    9,214.92/13,819.36 = 3,949.80/x
  3. Step 3: Cross multiply
    9,214.92x = 13,819.36 × 3,949.80
  4. Step 4: Simplify right side
    9,214.92x = 54,583,708.13
  5. Step 5: Solve for x
    x = 54,583,708.13/9,214.92
  6. Step 6: Final answer
    x = 5,923.41

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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.