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Finding the Fourth Proportional to 8,806.17, 13,211.12 and 3,259.56

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Solution

The fourth proportional to 8,806.17, 13,211.12 and 3,259.56 is: 4,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.17 : 13,211.12 = 3,259.56 : x
  2. Step 2: Convert to fraction form
    8,806.17/13,211.12 = 3,259.56/x
  3. Step 3: Cross multiply
    8,806.17x = 13,211.12 × 3,259.56
  4. Step 4: Simplify right side
    8,806.17x = 43,062,438.31
  5. Step 5: Solve for x
    x = 43,062,438.31/8,806.17
  6. Step 6: Final answer
    x = 4,890.03

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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.