Home / 7,826.75-11,737.41-3,145.37

Finding the Fourth Proportional to 7,826.75, 11,737.41 and 3,145.37

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Solution

The fourth proportional to 7,826.75, 11,737.41 and 3,145.37 is: 4,716.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.75 : 11,737.41 = 3,145.37 : x
  2. Step 2: Convert to fraction form
    7,826.75/11,737.41 = 3,145.37/x
  3. Step 3: Cross multiply
    7,826.75x = 11,737.41 × 3,145.37
  4. Step 4: Simplify right side
    7,826.75x = 36,918,497.29
  5. Step 5: Solve for x
    x = 36,918,497.29/7,826.75
  6. Step 6: Final answer
    x = 4,716.96

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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.