Home / 7,181.82-10,772.87-2,251.35

Finding the Fourth Proportional to 7,181.82, 10,772.87 and 2,251.35

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Solution

The fourth proportional to 7,181.82, 10,772.87 and 2,251.35 is: 3,377.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.82 : 10,772.87 = 2,251.35 : x
  2. Step 2: Convert to fraction form
    7,181.82/10,772.87 = 2,251.35/x
  3. Step 3: Cross multiply
    7,181.82x = 10,772.87 × 2,251.35
  4. Step 4: Simplify right side
    7,181.82x = 24,253,489.62
  5. Step 5: Solve for x
    x = 24,253,489.62/7,181.82
  6. Step 6: Final answer
    x = 3,377.07

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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.