Home / 6,609.97-9,121.70-3,625.81

Finding the Fourth Proportional to 6,609.97, 9,121.70 and 3,625.81

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Solution

The fourth proportional to 6,609.97, 9,121.70 and 3,625.81 is: 5,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.97 : 9,121.70 = 3,625.81 : x
  2. Step 2: Convert to fraction form
    6,609.97/9,121.70 = 3,625.81/x
  3. Step 3: Cross multiply
    6,609.97x = 9,121.70 × 3,625.81
  4. Step 4: Simplify right side
    6,609.97x = 33,073,568.25
  5. Step 5: Solve for x
    x = 33,073,568.25/6,609.97
  6. Step 6: Final answer
    x = 5,003.59

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1.5x scale

Why These Related Problems?

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