Home / 5,581.15-8,371.73-2,650.57

Finding the Fourth Proportional to 5,581.15, 8,371.73 and 2,650.57

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Solution

The fourth proportional to 5,581.15, 8,371.73 and 2,650.57 is: 3,975.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.15 : 8,371.73 = 2,650.57 : x
  2. Step 2: Convert to fraction form
    5,581.15/8,371.73 = 2,650.57/x
  3. Step 3: Cross multiply
    5,581.15x = 8,371.73 × 2,650.57
  4. Step 4: Simplify right side
    5,581.15x = 22,189,863.54
  5. Step 5: Solve for x
    x = 22,189,863.54/5,581.15
  6. Step 6: Final answer
    x = 3,975.86

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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.