Home / 4,163.80-6,239.30-3,613.40

Finding the Fourth Proportional to 4,163.80, 6,239.30 and 3,613.40

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Solution

The fourth proportional to 4,163.80, 6,239.30 and 3,613.40 is: 5,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,163.80 : 6,239.30 = 3,613.40 : x
  2. Step 2: Convert to fraction form
    4,163.80/6,239.30 = 3,613.40/x
  3. Step 3: Cross multiply
    4,163.80x = 6,239.30 × 3,613.40
  4. Step 4: Simplify right side
    4,163.80x = 22,545,086.62
  5. Step 5: Solve for x
    x = 22,545,086.62/4,163.80
  6. Step 6: Final answer
    x = 5,414.55

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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.