Home / 5,163.91-7,126.17-3,039.42

Finding the Fourth Proportional to 5,163.91, 7,126.17 and 3,039.42

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Solution

The fourth proportional to 5,163.91, 7,126.17 and 3,039.42 is: 4,194.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.91 : 7,126.17 = 3,039.42 : x
  2. Step 2: Convert to fraction form
    5,163.91/7,126.17 = 3,039.42/x
  3. Step 3: Cross multiply
    5,163.91x = 7,126.17 × 3,039.42
  4. Step 4: Simplify right side
    5,163.91x = 21,659,423.62
  5. Step 5: Solve for x
    x = 21,659,423.62/5,163.91
  6. Step 6: Final answer
    x = 4,194.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.