Home / 7,964.91-11,952.17-2,774.43

Finding the Fourth Proportional to 7,964.91, 11,952.17 and 2,774.43

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Solution

The fourth proportional to 7,964.91, 11,952.17 and 2,774.43 is: 4,163.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.91 : 11,952.17 = 2,774.43 : x
  2. Step 2: Convert to fraction form
    7,964.91/11,952.17 = 2,774.43/x
  3. Step 3: Cross multiply
    7,964.91x = 11,952.17 × 2,774.43
  4. Step 4: Simplify right side
    7,964.91x = 33,160,459.01
  5. Step 5: Solve for x
    x = 33,160,459.01/7,964.91
  6. Step 6: Final answer
    x = 4,163.32

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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.