Home / 7,983.88-11,968.84-3,300.96

Finding the Fourth Proportional to 7,983.88, 11,968.84 and 3,300.96

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Solution

The fourth proportional to 7,983.88, 11,968.84 and 3,300.96 is: 4,948.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.88 : 11,968.84 = 3,300.96 : x
  2. Step 2: Convert to fraction form
    7,983.88/11,968.84 = 3,300.96/x
  3. Step 3: Cross multiply
    7,983.88x = 11,968.84 × 3,300.96
  4. Step 4: Simplify right side
    7,983.88x = 39,508,662.09
  5. Step 5: Solve for x
    x = 39,508,662.09/7,983.88
  6. Step 6: Final answer
    x = 4,948.55

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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.