Home / 7,976.30-11,963.54-2,133.37

Finding the Fourth Proportional to 7,976.30, 11,963.54 and 2,133.37

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Solution

The fourth proportional to 7,976.30, 11,963.54 and 2,133.37 is: 3,199.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.30 : 11,963.54 = 2,133.37 : x
  2. Step 2: Convert to fraction form
    7,976.30/11,963.54 = 2,133.37/x
  3. Step 3: Cross multiply
    7,976.30x = 11,963.54 × 2,133.37
  4. Step 4: Simplify right side
    7,976.30x = 25,522,657.33
  5. Step 5: Solve for x
    x = 25,522,657.33/7,976.30
  6. Step 6: Final answer
    x = 3,199.81

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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.