Home / 4,121.42-6,183.25-1,489.23

Finding the Fourth Proportional to 4,121.42, 6,183.25 and 1,489.23

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Solution

The fourth proportional to 4,121.42, 6,183.25 and 1,489.23 is: 2,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.42 : 6,183.25 = 1,489.23 : x
  2. Step 2: Convert to fraction form
    4,121.42/6,183.25 = 1,489.23/x
  3. Step 3: Cross multiply
    4,121.42x = 6,183.25 × 1,489.23
  4. Step 4: Simplify right side
    4,121.42x = 9,208,277.67
  5. Step 5: Solve for x
    x = 9,208,277.67/4,121.42
  6. Step 6: Final answer
    x = 2,234.25

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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.