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Finding the Fourth Proportional to 6,610.98, 9,123.11 and 3,626.74

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Solution

The fourth proportional to 6,610.98, 9,123.11 and 3,626.74 is: 5,004.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.98 : 9,123.11 = 3,626.74 : x
  2. Step 2: Convert to fraction form
    6,610.98/9,123.11 = 3,626.74/x
  3. Step 3: Cross multiply
    6,610.98x = 9,123.11 × 3,626.74
  4. Step 4: Simplify right side
    6,610.98x = 33,087,102.35
  5. Step 5: Solve for x
    x = 33,087,102.35/6,610.98
  6. Step 6: Final answer
    x = 5,004.87

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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.