Home / 5,814.84-8,719.38-2,116.92

Finding the Fourth Proportional to 5,814.84, 8,719.38 and 2,116.92

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Solution

The fourth proportional to 5,814.84, 8,719.38 and 2,116.92 is: 3,174.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.84 : 8,719.38 = 2,116.92 : x
  2. Step 2: Convert to fraction form
    5,814.84/8,719.38 = 2,116.92/x
  3. Step 3: Cross multiply
    5,814.84x = 8,719.38 × 2,116.92
  4. Step 4: Simplify right side
    5,814.84x = 18,458,229.91
  5. Step 5: Solve for x
    x = 18,458,229.91/5,814.84
  6. Step 6: Final answer
    x = 3,174.33

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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.