Home / 8,052.20-12,078.30-3,879.52

Finding the Fourth Proportional to 8,052.20, 12,078.30 and 3,879.52

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Solution

The fourth proportional to 8,052.20, 12,078.30 and 3,879.52 is: 5,819.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,052.20 : 12,078.30 = 3,879.52 : x
  2. Step 2: Convert to fraction form
    8,052.20/12,078.30 = 3,879.52/x
  3. Step 3: Cross multiply
    8,052.20x = 12,078.30 × 3,879.52
  4. Step 4: Simplify right side
    8,052.20x = 46,858,006.42
  5. Step 5: Solve for x
    x = 46,858,006.42/8,052.20
  6. Step 6: Final answer
    x = 5,819.28

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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.