Home / 6,939.96-10,414.28-2,726.80

Finding the Fourth Proportional to 6,939.96, 10,414.28 and 2,726.80

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Solution

The fourth proportional to 6,939.96, 10,414.28 and 2,726.80 is: 4,091.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.96 : 10,414.28 = 2,726.80 : x
  2. Step 2: Convert to fraction form
    6,939.96/10,414.28 = 2,726.80/x
  3. Step 3: Cross multiply
    6,939.96x = 10,414.28 × 2,726.80
  4. Step 4: Simplify right side
    6,939.96x = 28,397,658.70
  5. Step 5: Solve for x
    x = 28,397,658.70/6,939.96
  6. Step 6: Final answer
    x = 4,091.91

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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.