Home / 7,626.76-11,438.25-3,243.72

Finding the Fourth Proportional to 7,626.76, 11,438.25 and 3,243.72

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Solution

The fourth proportional to 7,626.76, 11,438.25 and 3,243.72 is: 4,864.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.76 : 11,438.25 = 3,243.72 : x
  2. Step 2: Convert to fraction form
    7,626.76/11,438.25 = 3,243.72/x
  3. Step 3: Cross multiply
    7,626.76x = 11,438.25 × 3,243.72
  4. Step 4: Simplify right side
    7,626.76x = 37,102,480.29
  5. Step 5: Solve for x
    x = 37,102,480.29/7,626.76
  6. Step 6: Final answer
    x = 4,864.78

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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.