Home / 5,062.92-6,987.69-2,939.76

Finding the Fourth Proportional to 5,062.92, 6,987.69 and 2,939.76

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Solution

The fourth proportional to 5,062.92, 6,987.69 and 2,939.76 is: 4,057.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,062.92 : 6,987.69 = 2,939.76 : x
  2. Step 2: Convert to fraction form
    5,062.92/6,987.69 = 2,939.76/x
  3. Step 3: Cross multiply
    5,062.92x = 6,987.69 × 2,939.76
  4. Step 4: Simplify right side
    5,062.92x = 20,542,131.55
  5. Step 5: Solve for x
    x = 20,542,131.55/5,062.92
  6. Step 6: Final answer
    x = 4,057.37

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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.