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Finding the Fourth Proportional to 8,808, 13,212.48 and 2,652.48

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Solution

The fourth proportional to 8,808, 13,212.48 and 2,652.48 is: 3,978.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808 : 13,212.48 = 2,652.48 : x
  2. Step 2: Convert to fraction form
    8,808/13,212.48 = 2,652.48/x
  3. Step 3: Cross multiply
    8,808x = 13,212.48 × 2,652.48
  4. Step 4: Simplify right side
    8,808x = 35,045,838.95
  5. Step 5: Solve for x
    x = 35,045,838.95/8,808
  6. Step 6: Final answer
    x = 3,978.86

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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.