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Finding the Fourth Proportional to 8,553.04, 12,829.80 and 2,630.08

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Solution

The fourth proportional to 8,553.04, 12,829.80 and 2,630.08 is: 3,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.04 : 12,829.80 = 2,630.08 : x
  2. Step 2: Convert to fraction form
    8,553.04/12,829.80 = 2,630.08/x
  3. Step 3: Cross multiply
    8,553.04x = 12,829.80 × 2,630.08
  4. Step 4: Simplify right side
    8,553.04x = 33,743,400.38
  5. Step 5: Solve for x
    x = 33,743,400.38/8,553.04
  6. Step 6: Final answer
    x = 3,945.19

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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.