Home / 5,189.12-7,163.93-3,425.85

Finding the Fourth Proportional to 5,189.12, 7,163.93 and 3,425.85

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Solution

The fourth proportional to 5,189.12, 7,163.93 and 3,425.85 is: 4,729.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.12 : 7,163.93 = 3,425.85 : x
  2. Step 2: Convert to fraction form
    5,189.12/7,163.93 = 3,425.85/x
  3. Step 3: Cross multiply
    5,189.12x = 7,163.93 × 3,425.85
  4. Step 4: Simplify right side
    5,189.12x = 24,542,549.59
  5. Step 5: Solve for x
    x = 24,542,549.59/5,189.12
  6. Step 6: Final answer
    x = 4,729.62

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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.