Home / 4,078.20-6,115.50-1,481.52

Finding the Fourth Proportional to 4,078.20, 6,115.50 and 1,481.52

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Solution

The fourth proportional to 4,078.20, 6,115.50 and 1,481.52 is: 2,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.20 : 6,115.50 = 1,481.52 : x
  2. Step 2: Convert to fraction form
    4,078.20/6,115.50 = 1,481.52/x
  3. Step 3: Cross multiply
    4,078.20x = 6,115.50 × 1,481.52
  4. Step 4: Simplify right side
    4,078.20x = 9,060,235.56
  5. Step 5: Solve for x
    x = 9,060,235.56/4,078.20
  6. Step 6: Final answer
    x = 2,221.63

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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.