Home / 7,948.14-11,912.49-2,747.94

Finding the Fourth Proportional to 7,948.14, 11,912.49 and 2,747.94

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Solution

The fourth proportional to 7,948.14, 11,912.49 and 2,747.94 is: 4,118.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.14 : 11,912.49 = 2,747.94 : x
  2. Step 2: Convert to fraction form
    7,948.14/11,912.49 = 2,747.94/x
  3. Step 3: Cross multiply
    7,948.14x = 11,912.49 × 2,747.94
  4. Step 4: Simplify right side
    7,948.14x = 32,734,807.77
  5. Step 5: Solve for x
    x = 32,734,807.77/7,948.14
  6. Step 6: Final answer
    x = 4,118.55

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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.