Home / 7,964.88-11,949.75-4,072.02

Finding the Fourth Proportional to 7,964.88, 11,949.75 and 4,072.02

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Solution

The fourth proportional to 7,964.88, 11,949.75 and 4,072.02 is: 6,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.88 : 11,949.75 = 4,072.02 : x
  2. Step 2: Convert to fraction form
    7,964.88/11,949.75 = 4,072.02/x
  3. Step 3: Cross multiply
    7,964.88x = 11,949.75 × 4,072.02
  4. Step 4: Simplify right side
    7,964.88x = 48,659,621.00
  5. Step 5: Solve for x
    x = 48,659,621.00/7,964.88
  6. Step 6: Final answer
    x = 6,109.27

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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.