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Finding the Fourth Proportional to 6,673.77, 9,209.66 and 3,689.73

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Solution

The fourth proportional to 6,673.77, 9,209.66 and 3,689.73 is: 5,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,673.77 : 9,209.66 = 3,689.73 : x
  2. Step 2: Convert to fraction form
    6,673.77/9,209.66 = 3,689.73/x
  3. Step 3: Cross multiply
    6,673.77x = 9,209.66 × 3,689.73
  4. Step 4: Simplify right side
    6,673.77x = 33,981,112.74
  5. Step 5: Solve for x
    x = 33,981,112.74/6,673.77
  6. Step 6: Final answer
    x = 5,091.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.