Home / 5,238.29-7,856.96-3,144.23

Finding the Fourth Proportional to 5,238.29, 7,856.96 and 3,144.23

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Solution

The fourth proportional to 5,238.29, 7,856.96 and 3,144.23 is: 4,716.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.29 : 7,856.96 = 3,144.23 : x
  2. Step 2: Convert to fraction form
    5,238.29/7,856.96 = 3,144.23/x
  3. Step 3: Cross multiply
    5,238.29x = 7,856.96 × 3,144.23
  4. Step 4: Simplify right side
    5,238.29x = 24,704,034.33
  5. Step 5: Solve for x
    x = 24,704,034.33/5,238.29
  6. Step 6: Final answer
    x = 4,716.05

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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.