Home / 8,138.52-11,229.82-4,601.25

Finding the Fourth Proportional to 8,138.52, 11,229.82 and 4,601.25

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Solution

The fourth proportional to 8,138.52, 11,229.82 and 4,601.25 is: 6,348.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138.52 : 11,229.82 = 4,601.25 : x
  2. Step 2: Convert to fraction form
    8,138.52/11,229.82 = 4,601.25/x
  3. Step 3: Cross multiply
    8,138.52x = 11,229.82 × 4,601.25
  4. Step 4: Simplify right side
    8,138.52x = 51,671,209.28
  5. Step 5: Solve for x
    x = 51,671,209.28/8,138.52
  6. Step 6: Final answer
    x = 6,348.97

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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.