Home / 8,201.78-11,319.37-4,616.85

Finding the Fourth Proportional to 8,201.78, 11,319.37 and 4,616.85

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Solution

The fourth proportional to 8,201.78, 11,319.37 and 4,616.85 is: 6,371.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.78 : 11,319.37 = 4,616.85 : x
  2. Step 2: Convert to fraction form
    8,201.78/11,319.37 = 4,616.85/x
  3. Step 3: Cross multiply
    8,201.78x = 11,319.37 × 4,616.85
  4. Step 4: Simplify right side
    8,201.78x = 52,259,833.38
  5. Step 5: Solve for x
    x = 52,259,833.38/8,201.78
  6. Step 6: Final answer
    x = 6,371.77

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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.