Home / 4,378.49-6,041.92-2,489.71

Finding the Fourth Proportional to 4,378.49, 6,041.92 and 2,489.71

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Solution

The fourth proportional to 4,378.49, 6,041.92 and 2,489.71 is: 3,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.49 : 6,041.92 = 2,489.71 : x
  2. Step 2: Convert to fraction form
    4,378.49/6,041.92 = 2,489.71/x
  3. Step 3: Cross multiply
    4,378.49x = 6,041.92 × 2,489.71
  4. Step 4: Simplify right side
    4,378.49x = 15,042,585.99
  5. Step 5: Solve for x
    x = 15,042,585.99/4,378.49
  6. Step 6: Final answer
    x = 3,435.56

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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.