Home / 8,449.20-12,662.73-4,057.92

Finding the Fourth Proportional to 8,449.20, 12,662.73 and 4,057.92

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Solution

The fourth proportional to 8,449.20, 12,662.73 and 4,057.92 is: 6,081.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449.20 : 12,662.73 = 4,057.92 : x
  2. Step 2: Convert to fraction form
    8,449.20/12,662.73 = 4,057.92/x
  3. Step 3: Cross multiply
    8,449.20x = 12,662.73 × 4,057.92
  4. Step 4: Simplify right side
    8,449.20x = 51,384,345.32
  5. Step 5: Solve for x
    x = 51,384,345.32/8,449.20
  6. Step 6: Final answer
    x = 6,081.56

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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.