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Finding the Fourth Proportional to 8,806.10, 13,209.34 and 3,541.64

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Solution

The fourth proportional to 8,806.10, 13,209.34 and 3,541.64 is: 5,312.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.10 : 13,209.34 = 3,541.64 : x
  2. Step 2: Convert to fraction form
    8,806.10/13,209.34 = 3,541.64/x
  3. Step 3: Cross multiply
    8,806.10x = 13,209.34 × 3,541.64
  4. Step 4: Simplify right side
    8,806.10x = 46,782,726.92
  5. Step 5: Solve for x
    x = 46,782,726.92/8,806.10
  6. Step 6: Final answer
    x = 5,312.54

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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.