Home / 9,081.75-13,622.63-3,609.75

Finding the Fourth Proportional to 9,081.75, 13,622.63 and 3,609.75

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Solution

The fourth proportional to 9,081.75, 13,622.63 and 3,609.75 is: 5,414.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.75 : 13,622.63 = 3,609.75 : x
  2. Step 2: Convert to fraction form
    9,081.75/13,622.63 = 3,609.75/x
  3. Step 3: Cross multiply
    9,081.75x = 13,622.63 × 3,609.75
  4. Step 4: Simplify right side
    9,081.75x = 49,174,288.64
  5. Step 5: Solve for x
    x = 49,174,288.64/9,081.75
  6. Step 6: Final answer
    x = 5,414.63

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Half scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.