Home / 5,375.82-8,066.84-2,255.55

Finding the Fourth Proportional to 5,375.82, 8,066.84 and 2,255.55

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Solution

The fourth proportional to 5,375.82, 8,066.84 and 2,255.55 is: 3,384.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.82 : 8,066.84 = 2,255.55 : x
  2. Step 2: Convert to fraction form
    5,375.82/8,066.84 = 2,255.55/x
  3. Step 3: Cross multiply
    5,375.82x = 8,066.84 × 2,255.55
  4. Step 4: Simplify right side
    5,375.82x = 18,195,120.63
  5. Step 5: Solve for x
    x = 18,195,120.63/5,375.82
  6. Step 6: Final answer
    x = 3,384.62

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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.