Home / 4,789.07-7,181.82-1,668.27

Finding the Fourth Proportional to 4,789.07, 7,181.82 and 1,668.27

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Solution

The fourth proportional to 4,789.07, 7,181.82 and 1,668.27 is: 2,501.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.07 : 7,181.82 = 1,668.27 : x
  2. Step 2: Convert to fraction form
    4,789.07/7,181.82 = 1,668.27/x
  3. Step 3: Cross multiply
    4,789.07x = 7,181.82 × 1,668.27
  4. Step 4: Simplify right side
    4,789.07x = 11,981,214.85
  5. Step 5: Solve for x
    x = 11,981,214.85/4,789.07
  6. Step 6: Final answer
    x = 2,501.78

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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.