Home / 6,614.45-9,921.71-2,231.94

Finding the Fourth Proportional to 6,614.45, 9,921.71 and 2,231.94

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Solution

The fourth proportional to 6,614.45, 9,921.71 and 2,231.94 is: 3,347.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,614.45 : 9,921.71 = 2,231.94 : x
  2. Step 2: Convert to fraction form
    6,614.45/9,921.71 = 2,231.94/x
  3. Step 3: Cross multiply
    6,614.45x = 9,921.71 × 2,231.94
  4. Step 4: Simplify right side
    6,614.45x = 22,144,661.42
  5. Step 5: Solve for x
    x = 22,144,661.42/6,614.45
  6. Step 6: Final answer
    x = 3,347.92

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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.