Home / 7,976.36-11,963.60-2,133.42

Finding the Fourth Proportional to 7,976.36, 11,963.60 and 2,133.42

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Solution

The fourth proportional to 7,976.36, 11,963.60 and 2,133.42 is: 3,199.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976.36 : 11,963.60 = 2,133.42 : x
  2. Step 2: Convert to fraction form
    7,976.36/11,963.60 = 2,133.42/x
  3. Step 3: Cross multiply
    7,976.36x = 11,963.60 × 2,133.42
  4. Step 4: Simplify right side
    7,976.36x = 25,523,383.51
  5. Step 5: Solve for x
    x = 25,523,383.51/7,976.36
  6. Step 6: Final answer
    x = 3,199.88

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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.