Home / 7,826.62-11,732.58-2,628.86

Finding the Fourth Proportional to 7,826.62, 11,732.58 and 2,628.86

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Solution

The fourth proportional to 7,826.62, 11,732.58 and 2,628.86 is: 3,940.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,826.62 : 11,732.58 = 2,628.86 : x
  2. Step 2: Convert to fraction form
    7,826.62/11,732.58 = 2,628.86/x
  3. Step 3: Cross multiply
    7,826.62x = 11,732.58 × 2,628.86
  4. Step 4: Simplify right side
    7,826.62x = 30,843,310.26
  5. Step 5: Solve for x
    x = 30,843,310.26/7,826.62
  6. Step 6: Final answer
    x = 3,940.82

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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.