Home / 6,107.75-9,161.64-2,211.25

Finding the Fourth Proportional to 6,107.75, 9,161.64 and 2,211.25

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Solution

The fourth proportional to 6,107.75, 9,161.64 and 2,211.25 is: 3,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,107.75 : 9,161.64 = 2,211.25 : x
  2. Step 2: Convert to fraction form
    6,107.75/9,161.64 = 2,211.25/x
  3. Step 3: Cross multiply
    6,107.75x = 9,161.64 × 2,211.25
  4. Step 4: Simplify right side
    6,107.75x = 20,258,619.59
  5. Step 5: Solve for x
    x = 20,258,619.59/6,107.75
  6. Step 6: Final answer
    x = 3,316.87

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Double 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.