Home / 7,664.83-11,519.12-3,771.97

Finding the Fourth Proportional to 7,664.83, 11,519.12 and 3,771.97

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Solution

The fourth proportional to 7,664.83, 11,519.12 and 3,771.97 is: 5,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,664.83 : 11,519.12 = 3,771.97 : x
  2. Step 2: Convert to fraction form
    7,664.83/11,519.12 = 3,771.97/x
  3. Step 3: Cross multiply
    7,664.83x = 11,519.12 × 3,771.97
  4. Step 4: Simplify right side
    7,664.83x = 43,449,756.21
  5. Step 5: Solve for x
    x = 43,449,756.21/7,664.83
  6. Step 6: Final answer
    x = 5,668.72

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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.