Home / 6,749.13-10,120.19-3,049.59

Finding the Fourth Proportional to 6,749.13, 10,120.19 and 3,049.59

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Solution

The fourth proportional to 6,749.13, 10,120.19 and 3,049.59 is: 4,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.13 : 10,120.19 = 3,049.59 : x
  2. Step 2: Convert to fraction form
    6,749.13/10,120.19 = 3,049.59/x
  3. Step 3: Cross multiply
    6,749.13x = 10,120.19 × 3,049.59
  4. Step 4: Simplify right side
    6,749.13x = 30,862,414.97
  5. Step 5: Solve for x
    x = 30,862,414.97/6,749.13
  6. Step 6: Final answer
    x = 4,572.80

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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.