Home / 5,179.49-7,770.45-1,481.62

Finding the Fourth Proportional to 5,179.49, 7,770.45 and 1,481.62

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Solution

The fourth proportional to 5,179.49, 7,770.45 and 1,481.62 is: 2,222.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,179.49 : 7,770.45 = 1,481.62 : x
  2. Step 2: Convert to fraction form
    5,179.49/7,770.45 = 1,481.62/x
  3. Step 3: Cross multiply
    5,179.49x = 7,770.45 × 1,481.62
  4. Step 4: Simplify right side
    5,179.49x = 11,512,854.13
  5. Step 5: Solve for x
    x = 11,512,854.13/5,179.49
  6. Step 6: Final answer
    x = 2,222.78

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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.