Home / 5,450.24-8,176.12-2,163.66

Finding the Fourth Proportional to 5,450.24, 8,176.12 and 2,163.66

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Solution

The fourth proportional to 5,450.24, 8,176.12 and 2,163.66 is: 3,245.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.24 : 8,176.12 = 2,163.66 : x
  2. Step 2: Convert to fraction form
    5,450.24/8,176.12 = 2,163.66/x
  3. Step 3: Cross multiply
    5,450.24x = 8,176.12 × 2,163.66
  4. Step 4: Simplify right side
    5,450.24x = 17,690,343.80
  5. Step 5: Solve for x
    x = 17,690,343.80/5,450.24
  6. Step 6: Final answer
    x = 3,245.79

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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.