Home / 7,976.20-11,963.88-2,429.41

Finding the Fourth Proportional to 7,976.20, 11,963.88 and 2,429.41

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Solution

The fourth proportional to 7,976.20, 11,963.88 and 2,429.41 is: 3,643.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.20 : 11,963.88 = 2,429.41 : x
  2. Step 2: Convert to fraction form
    7,976.20/11,963.88 = 2,429.41/x
  3. Step 3: Cross multiply
    7,976.20x = 11,963.88 × 2,429.41
  4. Step 4: Simplify right side
    7,976.20x = 29,065,169.71
  5. Step 5: Solve for x
    x = 29,065,169.71/7,976.20
  6. Step 6: Final answer
    x = 3,643.99

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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.