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Finding the Fourth Proportional to 8,800.31, 13,200.50 and 2,644.31

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Solution

The fourth proportional to 8,800.31, 13,200.50 and 2,644.31 is: 3,966.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.31 : 13,200.50 = 2,644.31 : x
  2. Step 2: Convert to fraction form
    8,800.31/13,200.50 = 2,644.31/x
  3. Step 3: Cross multiply
    8,800.31x = 13,200.50 × 2,644.31
  4. Step 4: Simplify right side
    8,800.31x = 34,906,253.77
  5. Step 5: Solve for x
    x = 34,906,253.77/8,800.31
  6. Step 6: Final answer
    x = 3,966.48

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Double scale
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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.