Home / 4,177.26-6,286.80-3,142.62

Finding the Fourth Proportional to 4,177.26, 6,286.80 and 3,142.62

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Solution

The fourth proportional to 4,177.26, 6,286.80 and 3,142.62 is: 4,729.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,177.26 : 6,286.80 = 3,142.62 : x
  2. Step 2: Convert to fraction form
    4,177.26/6,286.80 = 3,142.62/x
  3. Step 3: Cross multiply
    4,177.26x = 6,286.80 × 3,142.62
  4. Step 4: Simplify right side
    4,177.26x = 19,757,023.42
  5. Step 5: Solve for x
    x = 19,757,023.42/4,177.26
  6. Step 6: Final answer
    x = 4,729.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.