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Finding the Fourth Proportional to 8,348.48, 12,522.72 and 2,192

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Solution

The fourth proportional to 8,348.48, 12,522.72 and 2,192 is: 3,288

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.48 : 12,522.72 = 2,192 : x
  2. Step 2: Convert to fraction form
    8,348.48/12,522.72 = 2,192/x
  3. Step 3: Cross multiply
    8,348.48x = 12,522.72 × 2,192
  4. Step 4: Simplify right side
    8,348.48x = 27,449,802.24
  5. Step 5: Solve for x
    x = 27,449,802.24/8,348.48
  6. Step 6: Final answer
    x = 3,288

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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.