Home / 4,086.44-6,129.66-1,489.38

Finding the Fourth Proportional to 4,086.44, 6,129.66 and 1,489.38

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Solution

The fourth proportional to 4,086.44, 6,129.66 and 1,489.38 is: 2,234.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.44 : 6,129.66 = 1,489.38 : x
  2. Step 2: Convert to fraction form
    4,086.44/6,129.66 = 1,489.38/x
  3. Step 3: Cross multiply
    4,086.44x = 6,129.66 × 1,489.38
  4. Step 4: Simplify right side
    4,086.44x = 9,129,393.01
  5. Step 5: Solve for x
    x = 9,129,393.01/4,086.44
  6. Step 6: Final answer
    x = 2,234.07

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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.