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Finding the Fourth Proportional to 8,810.06, 13,215.09 and 3,879.73

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Solution

The fourth proportional to 8,810.06, 13,215.09 and 3,879.73 is: 5,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,810.06 : 13,215.09 = 3,879.73 : x
  2. Step 2: Convert to fraction form
    8,810.06/13,215.09 = 3,879.73/x
  3. Step 3: Cross multiply
    8,810.06x = 13,215.09 × 3,879.73
  4. Step 4: Simplify right side
    8,810.06x = 51,270,915.05
  5. Step 5: Solve for x
    x = 51,270,915.05/8,810.06
  6. Step 6: Final answer
    x = 5,819.59

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Similar ratio
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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.