Home / 5,481.68-8,207.93-3,287.39

Finding the Fourth Proportional to 5,481.68, 8,207.93 and 3,287.39

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Solution

The fourth proportional to 5,481.68, 8,207.93 and 3,287.39 is: 4,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.68 : 8,207.93 = 3,287.39 : x
  2. Step 2: Convert to fraction form
    5,481.68/8,207.93 = 3,287.39/x
  3. Step 3: Cross multiply
    5,481.68x = 8,207.93 × 3,287.39
  4. Step 4: Simplify right side
    5,481.68x = 26,982,634.18
  5. Step 5: Solve for x
    x = 26,982,634.18/5,481.68
  6. Step 6: Final answer
    x = 4,922.33

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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.