Home / 7,839.56-11,758.09-2,216.64

Finding the Fourth Proportional to 7,839.56, 11,758.09 and 2,216.64

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Solution

The fourth proportional to 7,839.56, 11,758.09 and 2,216.64 is: 3,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.56 : 11,758.09 = 2,216.64 : x
  2. Step 2: Convert to fraction form
    7,839.56/11,758.09 = 2,216.64/x
  3. Step 3: Cross multiply
    7,839.56x = 11,758.09 × 2,216.64
  4. Step 4: Simplify right side
    7,839.56x = 26,063,509.01
  5. Step 5: Solve for x
    x = 26,063,509.01/7,839.56
  6. Step 6: Final answer
    x = 3,324.61

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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.