Home / 5,180.82-7,149.34-2,822.92

Finding the Fourth Proportional to 5,180.82, 7,149.34 and 2,822.92

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Solution

The fourth proportional to 5,180.82, 7,149.34 and 2,822.92 is: 3,895.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.82 : 7,149.34 = 2,822.92 : x
  2. Step 2: Convert to fraction form
    5,180.82/7,149.34 = 2,822.92/x
  3. Step 3: Cross multiply
    5,180.82x = 7,149.34 × 2,822.92
  4. Step 4: Simplify right side
    5,180.82x = 20,182,014.87
  5. Step 5: Solve for x
    x = 20,182,014.87/5,180.82
  6. Step 6: Final answer
    x = 3,895.53

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Double scale
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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.