Home / 5,539.92-7,645.08-3,181.68

Finding the Fourth Proportional to 5,539.92, 7,645.08 and 3,181.68

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Solution

The fourth proportional to 5,539.92, 7,645.08 and 3,181.68 is: 4,390.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.92 : 7,645.08 = 3,181.68 : x
  2. Step 2: Convert to fraction form
    5,539.92/7,645.08 = 3,181.68/x
  3. Step 3: Cross multiply
    5,539.92x = 7,645.08 × 3,181.68
  4. Step 4: Simplify right side
    5,539.92x = 24,324,198.13
  5. Step 5: Solve for x
    x = 24,324,198.13/5,539.92
  6. Step 6: Final answer
    x = 4,390.71

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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.