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Finding the Fourth Proportional to 8,866.42, 13,296.66 and 4,481.08

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Solution

The fourth proportional to 8,866.42, 13,296.66 and 4,481.08 is: 6,720.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.42 : 13,296.66 = 4,481.08 : x
  2. Step 2: Convert to fraction form
    8,866.42/13,296.66 = 4,481.08/x
  3. Step 3: Cross multiply
    8,866.42x = 13,296.66 × 4,481.08
  4. Step 4: Simplify right side
    8,866.42x = 59,583,397.19
  5. Step 5: Solve for x
    x = 59,583,397.19/8,866.42
  6. Step 6: Final answer
    x = 6,720.12

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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.