Home / 5,177.92-7,761.36-2,056.58

Finding the Fourth Proportional to 5,177.92, 7,761.36 and 2,056.58

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Solution

The fourth proportional to 5,177.92, 7,761.36 and 2,056.58 is: 3,082.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.92 : 7,761.36 = 2,056.58 : x
  2. Step 2: Convert to fraction form
    5,177.92/7,761.36 = 2,056.58/x
  3. Step 3: Cross multiply
    5,177.92x = 7,761.36 × 2,056.58
  4. Step 4: Simplify right side
    5,177.92x = 15,961,857.75
  5. Step 5: Solve for x
    x = 15,961,857.75/5,177.92
  6. Step 6: Final answer
    x = 3,082.68

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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.