Home / 8,805.32-13,201.70-4,122.78

Finding the Fourth Proportional to 8,805.32, 13,201.70 and 4,122.78

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Solution

The fourth proportional to 8,805.32, 13,201.70 and 4,122.78 is: 6,181.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.32 : 13,201.70 = 4,122.78 : x
  2. Step 2: Convert to fraction form
    8,805.32/13,201.70 = 4,122.78/x
  3. Step 3: Cross multiply
    8,805.32x = 13,201.70 × 4,122.78
  4. Step 4: Simplify right side
    8,805.32x = 54,427,704.73
  5. Step 5: Solve for x
    x = 54,427,704.73/8,805.32
  6. Step 6: Final answer
    x = 6,181.23

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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.