Home / 7,968.88-11,954.74-3,286.28

Finding the Fourth Proportional to 7,968.88, 11,954.74 and 3,286.28

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Solution

The fourth proportional to 7,968.88, 11,954.74 and 3,286.28 is: 4,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968.88 : 11,954.74 = 3,286.28 : x
  2. Step 2: Convert to fraction form
    7,968.88/11,954.74 = 3,286.28/x
  3. Step 3: Cross multiply
    7,968.88x = 11,954.74 × 3,286.28
  4. Step 4: Simplify right side
    7,968.88x = 39,286,622.97
  5. Step 5: Solve for x
    x = 39,286,622.97/7,968.88
  6. Step 6: Final answer
    x = 4,930.01

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1.5x scale

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.