Home / 4,171.21-6,251.29-2,192.79

Finding the Fourth Proportional to 4,171.21, 6,251.29 and 2,192.79

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Solution

The fourth proportional to 4,171.21, 6,251.29 and 2,192.79 is: 3,286.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,171.21 : 6,251.29 = 2,192.79 : x
  2. Step 2: Convert to fraction form
    4,171.21/6,251.29 = 2,192.79/x
  3. Step 3: Cross multiply
    4,171.21x = 6,251.29 × 2,192.79
  4. Step 4: Simplify right side
    4,171.21x = 13,707,766.20
  5. Step 5: Solve for x
    x = 13,707,766.20/4,171.21
  6. Step 6: Final answer
    x = 3,286.28

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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.