Home / 8,906.28-13,363.20-3,358.80

Finding the Fourth Proportional to 8,906.28, 13,363.20 and 3,358.80

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Solution

The fourth proportional to 8,906.28, 13,363.20 and 3,358.80 is: 5,039.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,906.28 : 13,363.20 = 3,358.80 : x
  2. Step 2: Convert to fraction form
    8,906.28/13,363.20 = 3,358.80/x
  3. Step 3: Cross multiply
    8,906.28x = 13,363.20 × 3,358.80
  4. Step 4: Simplify right side
    8,906.28x = 44,884,316.16
  5. Step 5: Solve for x
    x = 44,884,316.16/8,906.28
  6. Step 6: Final answer
    x = 5,039.63

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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.