Home / 8,138.26-11,229.60-4,600.99

Finding the Fourth Proportional to 8,138.26, 11,229.60 and 4,600.99

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Solution

The fourth proportional to 8,138.26, 11,229.60 and 4,600.99 is: 6,348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138.26 : 11,229.60 = 4,600.99 : x
  2. Step 2: Convert to fraction form
    8,138.26/11,229.60 = 4,600.99/x
  3. Step 3: Cross multiply
    8,138.26x = 11,229.60 × 4,600.99
  4. Step 4: Simplify right side
    8,138.26x = 51,667,277.30
  5. Step 5: Solve for x
    x = 51,667,277.30/8,138.26
  6. Step 6: Final answer
    x = 6,348.69

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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.