Home / 6,609.89-9,121.72-3,625.65

Finding the Fourth Proportional to 6,609.89, 9,121.72 and 3,625.65

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Solution

The fourth proportional to 6,609.89, 9,121.72 and 3,625.65 is: 5,003.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,609.89 : 9,121.72 = 3,625.65 : x
  2. Step 2: Convert to fraction form
    6,609.89/9,121.72 = 3,625.65/x
  3. Step 3: Cross multiply
    6,609.89x = 9,121.72 × 3,625.65
  4. Step 4: Simplify right side
    6,609.89x = 33,072,164.12
  5. Step 5: Solve for x
    x = 33,072,164.12/6,609.89
  6. Step 6: Final answer
    x = 5,003.44

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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.