Home / 5,086.18-7,021.92-3,817

Finding the Fourth Proportional to 5,086.18, 7,021.92 and 3,817

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Solution

The fourth proportional to 5,086.18, 7,021.92 and 3,817 is: 5,269.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.18 : 7,021.92 = 3,817 : x
  2. Step 2: Convert to fraction form
    5,086.18/7,021.92 = 3,817/x
  3. Step 3: Cross multiply
    5,086.18x = 7,021.92 × 3,817
  4. Step 4: Simplify right side
    5,086.18x = 26,802,668.64
  5. Step 5: Solve for x
    x = 26,802,668.64/5,086.18
  6. Step 6: Final answer
    x = 5,269.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.