Home / 5,176.25-7,767.54-2,057.75

Finding the Fourth Proportional to 5,176.25, 7,767.54 and 2,057.75

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Solution

The fourth proportional to 5,176.25, 7,767.54 and 2,057.75 is: 3,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.25 : 7,767.54 = 2,057.75 : x
  2. Step 2: Convert to fraction form
    5,176.25/7,767.54 = 2,057.75/x
  3. Step 3: Cross multiply
    5,176.25x = 7,767.54 × 2,057.75
  4. Step 4: Simplify right side
    5,176.25x = 15,983,616.60
  5. Step 5: Solve for x
    x = 15,983,616.60/5,176.25
  6. Step 6: Final answer
    x = 3,087.88

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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.