Home / 5,217.45-7,826.17-3,161.13

Finding the Fourth Proportional to 5,217.45, 7,826.17 and 3,161.13

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Solution

The fourth proportional to 5,217.45, 7,826.17 and 3,161.13 is: 4,741.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217.45 : 7,826.17 = 3,161.13 : x
  2. Step 2: Convert to fraction form
    5,217.45/7,826.17 = 3,161.13/x
  3. Step 3: Cross multiply
    5,217.45x = 7,826.17 × 3,161.13
  4. Step 4: Simplify right side
    5,217.45x = 24,739,540.77
  5. Step 5: Solve for x
    x = 24,739,540.77/5,217.45
  6. Step 6: Final answer
    x = 4,741.69

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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.