Home / 5,279.19-7,911.38-4,103.82

Finding the Fourth Proportional to 5,279.19, 7,911.38 and 4,103.82

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Solution

The fourth proportional to 5,279.19, 7,911.38 and 4,103.82 is: 6,149.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.19 : 7,911.38 = 4,103.82 : x
  2. Step 2: Convert to fraction form
    5,279.19/7,911.38 = 4,103.82/x
  3. Step 3: Cross multiply
    5,279.19x = 7,911.38 × 4,103.82
  4. Step 4: Simplify right side
    5,279.19x = 32,466,858.95
  5. Step 5: Solve for x
    x = 32,466,858.95/5,279.19
  6. Step 6: Final answer
    x = 6,149.97

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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.