Home / 7,912.26-11,868.30-4,451.94

Finding the Fourth Proportional to 7,912.26, 11,868.30 and 4,451.94

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Solution

The fourth proportional to 7,912.26, 11,868.30 and 4,451.94 is: 6,677.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.26 : 11,868.30 = 4,451.94 : x
  2. Step 2: Convert to fraction form
    7,912.26/11,868.30 = 4,451.94/x
  3. Step 3: Cross multiply
    7,912.26x = 11,868.30 × 4,451.94
  4. Step 4: Simplify right side
    7,912.26x = 52,836,959.50
  5. Step 5: Solve for x
    x = 52,836,959.50/7,912.26
  6. Step 6: Final answer
    x = 6,677.86

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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.