Home / 7,976.19-11,963.45-2,133.39

Finding the Fourth Proportional to 7,976.19, 11,963.45 and 2,133.39

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Solution

The fourth proportional to 7,976.19, 11,963.45 and 2,133.39 is: 3,199.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.19 : 11,963.45 = 2,133.39 : x
  2. Step 2: Convert to fraction form
    7,976.19/11,963.45 = 2,133.39/x
  3. Step 3: Cross multiply
    7,976.19x = 11,963.45 × 2,133.39
  4. Step 4: Simplify right side
    7,976.19x = 25,522,693.93
  5. Step 5: Solve for x
    x = 25,522,693.93/7,976.19
  6. Step 6: Final answer
    x = 3,199.86

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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.