Home / 7,614.88-11,426.64-3,231.88

Finding the Fourth Proportional to 7,614.88, 11,426.64 and 3,231.88

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Solution

The fourth proportional to 7,614.88, 11,426.64 and 3,231.88 is: 4,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614.88 : 11,426.64 = 3,231.88 : x
  2. Step 2: Convert to fraction form
    7,614.88/11,426.64 = 3,231.88/x
  3. Step 3: Cross multiply
    7,614.88x = 11,426.64 × 3,231.88
  4. Step 4: Simplify right side
    7,614.88x = 36,929,529.28
  5. Step 5: Solve for x
    x = 36,929,529.28/7,614.88
  6. Step 6: Final answer
    x = 4,849.65

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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.