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Finding the Fourth Proportional to 8,825, 13,237.82 and 2,669

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Solution

The fourth proportional to 8,825, 13,237.82 and 2,669 is: 4,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825 : 13,237.82 = 2,669 : x
  2. Step 2: Convert to fraction form
    8,825/13,237.82 = 2,669/x
  3. Step 3: Cross multiply
    8,825x = 13,237.82 × 2,669
  4. Step 4: Simplify right side
    8,825x = 35,331,741.58
  5. Step 5: Solve for x
    x = 35,331,741.58/8,825
  6. Step 6: Final answer
    x = 4,003.60

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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.