Home / 5,550.12-7,659.36-3,191.84

Finding the Fourth Proportional to 5,550.12, 7,659.36 and 3,191.84

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Solution

The fourth proportional to 5,550.12, 7,659.36 and 3,191.84 is: 4,404.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.12 : 7,659.36 = 3,191.84 : x
  2. Step 2: Convert to fraction form
    5,550.12/7,659.36 = 3,191.84/x
  3. Step 3: Cross multiply
    5,550.12x = 7,659.36 × 3,191.84
  4. Step 4: Simplify right side
    5,550.12x = 24,447,451.62
  5. Step 5: Solve for x
    x = 24,447,451.62/5,550.12
  6. Step 6: Final answer
    x = 4,404.85

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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.