Home / 4,725.70-7,085.19-3,163.78

Finding the Fourth Proportional to 4,725.70, 7,085.19 and 3,163.78

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Solution

The fourth proportional to 4,725.70, 7,085.19 and 3,163.78 is: 4,743.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.70 : 7,085.19 = 3,163.78 : x
  2. Step 2: Convert to fraction form
    4,725.70/7,085.19 = 3,163.78/x
  3. Step 3: Cross multiply
    4,725.70x = 7,085.19 × 3,163.78
  4. Step 4: Simplify right side
    4,725.70x = 22,415,982.42
  5. Step 5: Solve for x
    x = 22,415,982.42/4,725.70
  6. Step 6: Final answer
    x = 4,743.42

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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.