Home / 5,081.92-7,625.76-2,159.92

Finding the Fourth Proportional to 5,081.92, 7,625.76 and 2,159.92

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Solution

The fourth proportional to 5,081.92, 7,625.76 and 2,159.92 is: 3,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.92 : 7,625.76 = 2,159.92 : x
  2. Step 2: Convert to fraction form
    5,081.92/7,625.76 = 2,159.92/x
  3. Step 3: Cross multiply
    5,081.92x = 7,625.76 × 2,159.92
  4. Step 4: Simplify right side
    5,081.92x = 16,471,031.54
  5. Step 5: Solve for x
    x = 16,471,031.54/5,081.92
  6. Step 6: Final answer
    x = 3,241.10

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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.