Home / 4,917.38-6,785.90-2,679.27

Finding the Fourth Proportional to 4,917.38, 6,785.90 and 2,679.27

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Solution

The fourth proportional to 4,917.38, 6,785.90 and 2,679.27 is: 3,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.38 : 6,785.90 = 2,679.27 : x
  2. Step 2: Convert to fraction form
    4,917.38/6,785.90 = 2,679.27/x
  3. Step 3: Cross multiply
    4,917.38x = 6,785.90 × 2,679.27
  4. Step 4: Simplify right side
    4,917.38x = 18,181,260.13
  5. Step 5: Solve for x
    x = 18,181,260.13/4,917.38
  6. Step 6: Final answer
    x = 3,697.35

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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.