Home / 5,189.68-7,786.80-2,723.91

Finding the Fourth Proportional to 5,189.68, 7,786.80 and 2,723.91

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Solution

The fourth proportional to 5,189.68, 7,786.80 and 2,723.91 is: 4,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.68 : 7,786.80 = 2,723.91 : x
  2. Step 2: Convert to fraction form
    5,189.68/7,786.80 = 2,723.91/x
  3. Step 3: Cross multiply
    5,189.68x = 7,786.80 × 2,723.91
  4. Step 4: Simplify right side
    5,189.68x = 21,210,542.39
  5. Step 5: Solve for x
    x = 21,210,542.39/5,189.68
  6. Step 6: Final answer
    x = 4,087.06

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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.