Home / 5,811.72-8,717.26-2,114.44

Finding the Fourth Proportional to 5,811.72, 8,717.26 and 2,114.44

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Solution

The fourth proportional to 5,811.72, 8,717.26 and 2,114.44 is: 3,171.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.72 : 8,717.26 = 2,114.44 : x
  2. Step 2: Convert to fraction form
    5,811.72/8,717.26 = 2,114.44/x
  3. Step 3: Cross multiply
    5,811.72x = 8,717.26 × 2,114.44
  4. Step 4: Simplify right side
    5,811.72x = 18,432,123.23
  5. Step 5: Solve for x
    x = 18,432,123.23/5,811.72
  6. Step 6: Final answer
    x = 3,171.54

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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.