Home / 4,147.38-5,723.28-2,729.34

Finding the Fourth Proportional to 4,147.38, 5,723.28 and 2,729.34

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Solution

The fourth proportional to 4,147.38, 5,723.28 and 2,729.34 is: 3,766.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.38 : 5,723.28 = 2,729.34 : x
  2. Step 2: Convert to fraction form
    4,147.38/5,723.28 = 2,729.34/x
  3. Step 3: Cross multiply
    4,147.38x = 5,723.28 × 2,729.34
  4. Step 4: Simplify right side
    4,147.38x = 15,620,777.04
  5. Step 5: Solve for x
    x = 15,620,777.04/4,147.38
  6. Step 6: Final answer
    x = 3,766.42

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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.