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Finding the Fourth Proportional to 8,359, 12,539.26 and 2,203

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Solution

The fourth proportional to 8,359, 12,539.26 and 2,203 is: 3,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359 : 12,539.26 = 2,203 : x
  2. Step 2: Convert to fraction form
    8,359/12,539.26 = 2,203/x
  3. Step 3: Cross multiply
    8,359x = 12,539.26 × 2,203
  4. Step 4: Simplify right side
    8,359x = 27,623,989.78
  5. Step 5: Solve for x
    x = 27,623,989.78/8,359
  6. Step 6: Final answer
    x = 3,304.70

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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.