Home / 5,190.38-7,786.02-2,228.96

Finding the Fourth Proportional to 5,190.38, 7,786.02 and 2,228.96

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Solution

The fourth proportional to 5,190.38, 7,786.02 and 2,228.96 is: 3,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.38 : 7,786.02 = 2,228.96 : x
  2. Step 2: Convert to fraction form
    5,190.38/7,786.02 = 2,228.96/x
  3. Step 3: Cross multiply
    5,190.38x = 7,786.02 × 2,228.96
  4. Step 4: Simplify right side
    5,190.38x = 17,354,727.14
  5. Step 5: Solve for x
    x = 17,354,727.14/5,190.38
  6. Step 6: Final answer
    x = 3,343.63

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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.