Home / 5,449.92-8,179.99-2,678.59

Finding the Fourth Proportional to 5,449.92, 8,179.99 and 2,678.59

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Solution

The fourth proportional to 5,449.92, 8,179.99 and 2,678.59 is: 4,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.92 : 8,179.99 = 2,678.59 : x
  2. Step 2: Convert to fraction form
    5,449.92/8,179.99 = 2,678.59/x
  3. Step 3: Cross multiply
    5,449.92x = 8,179.99 × 2,678.59
  4. Step 4: Simplify right side
    5,449.92x = 21,910,796.93
  5. Step 5: Solve for x
    x = 21,910,796.93/5,449.92
  6. Step 6: Final answer
    x = 4,020.39

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1.5x scale

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.