Home / 5,028.18-6,939.42-3,831

Finding the Fourth Proportional to 5,028.18, 6,939.42 and 3,831

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Solution

The fourth proportional to 5,028.18, 6,939.42 and 3,831 is: 5,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,028.18 : 6,939.42 = 3,831 : x
  2. Step 2: Convert to fraction form
    5,028.18/6,939.42 = 3,831/x
  3. Step 3: Cross multiply
    5,028.18x = 6,939.42 × 3,831
  4. Step 4: Simplify right side
    5,028.18x = 26,584,918.02
  5. Step 5: Solve for x
    x = 26,584,918.02/5,028.18
  6. Step 6: Final answer
    x = 5,287.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.