Home / 5,226.26-7,839.57-2,627.78

Finding the Fourth Proportional to 5,226.26, 7,839.57 and 2,627.78

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Solution

The fourth proportional to 5,226.26, 7,839.57 and 2,627.78 is: 3,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.26 : 7,839.57 = 2,627.78 : x
  2. Step 2: Convert to fraction form
    5,226.26/7,839.57 = 2,627.78/x
  3. Step 3: Cross multiply
    5,226.26x = 7,839.57 × 2,627.78
  4. Step 4: Simplify right side
    5,226.26x = 20,600,665.25
  5. Step 5: Solve for x
    x = 20,600,665.25/5,226.26
  6. Step 6: Final answer
    x = 3,941.76

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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.