Home / 8,949.35-13,419.45-3,398.47

Finding the Fourth Proportional to 8,949.35, 13,419.45 and 3,398.47

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Solution

The fourth proportional to 8,949.35, 13,419.45 and 3,398.47 is: 5,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.35 : 13,419.45 = 3,398.47 : x
  2. Step 2: Convert to fraction form
    8,949.35/13,419.45 = 3,398.47/x
  3. Step 3: Cross multiply
    8,949.35x = 13,419.45 × 3,398.47
  4. Step 4: Simplify right side
    8,949.35x = 45,605,564.69
  5. Step 5: Solve for x
    x = 45,605,564.69/8,949.35
  6. Step 6: Final answer
    x = 5,095.96

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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.