Home / 8,078.92-11,148.79-4,493.83

Finding the Fourth Proportional to 8,078.92, 11,148.79 and 4,493.83

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Solution

The fourth proportional to 8,078.92, 11,148.79 and 4,493.83 is: 6,201.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.92 : 11,148.79 = 4,493.83 : x
  2. Step 2: Convert to fraction form
    8,078.92/11,148.79 = 4,493.83/x
  3. Step 3: Cross multiply
    8,078.92x = 11,148.79 × 4,493.83
  4. Step 4: Simplify right side
    8,078.92x = 50,100,766.97
  5. Step 5: Solve for x
    x = 50,100,766.97/8,078.92
  6. Step 6: Final answer
    x = 6,201.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.