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Finding the Fourth Proportional to 8,866.65, 13,301.92 and 2,627.16

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Solution

The fourth proportional to 8,866.65, 13,301.92 and 2,627.16 is: 3,941.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.65 : 13,301.92 = 2,627.16 : x
  2. Step 2: Convert to fraction form
    8,866.65/13,301.92 = 2,627.16/x
  3. Step 3: Cross multiply
    8,866.65x = 13,301.92 × 2,627.16
  4. Step 4: Simplify right side
    8,866.65x = 34,946,225.55
  5. Step 5: Solve for x
    x = 34,946,225.55/8,866.65
  6. Step 6: Final answer
    x = 3,941.31

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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.