Home / 8,140.32-11,233.62-4,414.32

Finding the Fourth Proportional to 8,140.32, 11,233.62 and 4,414.32

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Solution

The fourth proportional to 8,140.32, 11,233.62 and 4,414.32 is: 6,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.32 : 11,233.62 = 4,414.32 : x
  2. Step 2: Convert to fraction form
    8,140.32/11,233.62 = 4,414.32/x
  3. Step 3: Cross multiply
    8,140.32x = 11,233.62 × 4,414.32
  4. Step 4: Simplify right side
    8,140.32x = 49,588,793.44
  5. Step 5: Solve for x
    x = 49,588,793.44/8,140.32
  6. Step 6: Final answer
    x = 6,091.75

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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.