Home / 7,829.66-11,742.91-3,668.56

Finding the Fourth Proportional to 7,829.66, 11,742.91 and 3,668.56

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Solution

The fourth proportional to 7,829.66, 11,742.91 and 3,668.56 is: 5,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.66 : 11,742.91 = 3,668.56 : x
  2. Step 2: Convert to fraction form
    7,829.66/11,742.91 = 3,668.56/x
  3. Step 3: Cross multiply
    7,829.66x = 11,742.91 × 3,668.56
  4. Step 4: Simplify right side
    7,829.66x = 43,079,531.38
  5. Step 5: Solve for x
    x = 43,079,531.38/7,829.66
  6. Step 6: Final answer
    x = 5,502.09

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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.