Home / 6,610.78-9,122.91-3,626.89

Finding the Fourth Proportional to 6,610.78, 9,122.91 and 3,626.89

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Solution

The fourth proportional to 6,610.78, 9,122.91 and 3,626.89 is: 5,005.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.78 : 9,122.91 = 3,626.89 : x
  2. Step 2: Convert to fraction form
    6,610.78/9,122.91 = 3,626.89/x
  3. Step 3: Cross multiply
    6,610.78x = 9,122.91 × 3,626.89
  4. Step 4: Simplify right side
    6,610.78x = 33,087,791.05
  5. Step 5: Solve for x
    x = 33,087,791.05/6,610.78
  6. Step 6: Final answer
    x = 5,005.13

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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.