Home / 5,239.92-7,853.36-2,641.44

Finding the Fourth Proportional to 5,239.92, 7,853.36 and 2,641.44

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Solution

The fourth proportional to 5,239.92, 7,853.36 and 2,641.44 is: 3,958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.92 : 7,853.36 = 2,641.44 : x
  2. Step 2: Convert to fraction form
    5,239.92/7,853.36 = 2,641.44/x
  3. Step 3: Cross multiply
    5,239.92x = 7,853.36 × 2,641.44
  4. Step 4: Simplify right side
    5,239.92x = 20,744,179.24
  5. Step 5: Solve for x
    x = 20,744,179.24/5,239.92
  6. Step 6: Final answer
    x = 3,958.87

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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.