Home / 5,081.88-7,617.96-2,161.83

Finding the Fourth Proportional to 5,081.88, 7,617.96 and 2,161.83

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Solution

The fourth proportional to 5,081.88, 7,617.96 and 2,161.83 is: 3,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.88 : 7,617.96 = 2,161.83 : x
  2. Step 2: Convert to fraction form
    5,081.88/7,617.96 = 2,161.83/x
  3. Step 3: Cross multiply
    5,081.88x = 7,617.96 × 2,161.83
  4. Step 4: Simplify right side
    5,081.88x = 16,468,734.47
  5. Step 5: Solve for x
    x = 16,468,734.47/5,081.88
  6. Step 6: Final answer
    x = 3,240.68

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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.