Home / 8,229.18-12,346.20-3,296.28

Finding the Fourth Proportional to 8,229.18, 12,346.20 and 3,296.28

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Solution

The fourth proportional to 8,229.18, 12,346.20 and 3,296.28 is: 4,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229.18 : 12,346.20 = 3,296.28 : x
  2. Step 2: Convert to fraction form
    8,229.18/12,346.20 = 3,296.28/x
  3. Step 3: Cross multiply
    8,229.18x = 12,346.20 × 3,296.28
  4. Step 4: Simplify right side
    8,229.18x = 40,696,532.14
  5. Step 5: Solve for x
    x = 40,696,532.14/8,229.18
  6. Step 6: Final answer
    x = 4,945.39

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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.