Home / 4,286.38-5,917.79-2,796.88

Finding the Fourth Proportional to 4,286.38, 5,917.79 and 2,796.88

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Solution

The fourth proportional to 4,286.38, 5,917.79 and 2,796.88 is: 3,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.38 : 5,917.79 = 2,796.88 : x
  2. Step 2: Convert to fraction form
    4,286.38/5,917.79 = 2,796.88/x
  3. Step 3: Cross multiply
    4,286.38x = 5,917.79 × 2,796.88
  4. Step 4: Simplify right side
    4,286.38x = 16,551,348.50
  5. Step 5: Solve for x
    x = 16,551,348.50/4,286.38
  6. Step 6: Final answer
    x = 3,861.38

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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.