Home / 5,176.92-7,752.72-2,713.80

Finding the Fourth Proportional to 5,176.92, 7,752.72 and 2,713.80

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Solution

The fourth proportional to 5,176.92, 7,752.72 and 2,713.80 is: 4,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,176.92 : 7,752.72 = 2,713.80 : x
  2. Step 2: Convert to fraction form
    5,176.92/7,752.72 = 2,713.80/x
  3. Step 3: Cross multiply
    5,176.92x = 7,752.72 × 2,713.80
  4. Step 4: Simplify right side
    5,176.92x = 21,039,331.54
  5. Step 5: Solve for x
    x = 21,039,331.54/5,176.92
  6. Step 6: Final answer
    x = 4,064.06

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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.