Home / 7,675.92-11,512.56-2,481.84

Finding the Fourth Proportional to 7,675.92, 11,512.56 and 2,481.84

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Solution

The fourth proportional to 7,675.92, 11,512.56 and 2,481.84 is: 3,722.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,675.92 : 11,512.56 = 2,481.84 : x
  2. Step 2: Convert to fraction form
    7,675.92/11,512.56 = 2,481.84/x
  3. Step 3: Cross multiply
    7,675.92x = 11,512.56 × 2,481.84
  4. Step 4: Simplify right side
    7,675.92x = 28,572,331.91
  5. Step 5: Solve for x
    x = 28,572,331.91/7,675.92
  6. Step 6: Final answer
    x = 3,722.33

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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.