Home / 6,609.82-9,121.76-3,625.63

Finding the Fourth Proportional to 6,609.82, 9,121.76 and 3,625.63

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Solution

The fourth proportional to 6,609.82, 9,121.76 and 3,625.63 is: 5,003.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.82 : 9,121.76 = 3,625.63 : x
  2. Step 2: Convert to fraction form
    6,609.82/9,121.76 = 3,625.63/x
  3. Step 3: Cross multiply
    6,609.82x = 9,121.76 × 3,625.63
  4. Step 4: Simplify right side
    6,609.82x = 33,072,081.10
  5. Step 5: Solve for x
    x = 33,072,081.10/6,609.82
  6. Step 6: Final answer
    x = 5,003.48

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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.