Home / 5,377.82-8,069.84-2,257.55

Finding the Fourth Proportional to 5,377.82, 8,069.84 and 2,257.55

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Solution

The fourth proportional to 5,377.82, 8,069.84 and 2,257.55 is: 3,387.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.82 : 8,069.84 = 2,257.55 : x
  2. Step 2: Convert to fraction form
    5,377.82/8,069.84 = 2,257.55/x
  3. Step 3: Cross multiply
    5,377.82x = 8,069.84 × 2,257.55
  4. Step 4: Simplify right side
    5,377.82x = 18,218,015.66
  5. Step 5: Solve for x
    x = 18,218,015.66/5,377.82
  6. Step 6: Final answer
    x = 3,387.62

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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.