Home / 5,087.48-7,631.22-2,163.74

Finding the Fourth Proportional to 5,087.48, 7,631.22 and 2,163.74

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Solution

The fourth proportional to 5,087.48, 7,631.22 and 2,163.74 is: 3,245.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.48 : 7,631.22 = 2,163.74 : x
  2. Step 2: Convert to fraction form
    5,087.48/7,631.22 = 2,163.74/x
  3. Step 3: Cross multiply
    5,087.48x = 7,631.22 × 2,163.74
  4. Step 4: Simplify right side
    5,087.48x = 16,511,975.96
  5. Step 5: Solve for x
    x = 16,511,975.96/5,087.48
  6. Step 6: Final answer
    x = 3,245.61

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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.