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Finding the Fourth Proportional to 6,610.98, 9,122.90 and 3,626.66

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Solution

The fourth proportional to 6,610.98, 9,122.90 and 3,626.66 is: 5,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.98 : 9,122.90 = 3,626.66 : x
  2. Step 2: Convert to fraction form
    6,610.98/9,122.90 = 3,626.66/x
  3. Step 3: Cross multiply
    6,610.98x = 9,122.90 × 3,626.66
  4. Step 4: Simplify right side
    6,610.98x = 33,085,656.51
  5. Step 5: Solve for x
    x = 33,085,656.51/6,610.98
  6. Step 6: Final answer
    x = 5,004.65

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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.