Home / 5,814.22-8,722.08-2,115.88

Finding the Fourth Proportional to 5,814.22, 8,722.08 and 2,115.88

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Solution

The fourth proportional to 5,814.22, 8,722.08 and 2,115.88 is: 3,174.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,814.22 : 8,722.08 = 2,115.88 : x
  2. Step 2: Convert to fraction form
    5,814.22/8,722.08 = 2,115.88/x
  3. Step 3: Cross multiply
    5,814.22x = 8,722.08 × 2,115.88
  4. Step 4: Simplify right side
    5,814.22x = 18,454,874.63
  5. Step 5: Solve for x
    x = 18,454,874.63/5,814.22
  6. Step 6: Final answer
    x = 3,174.09

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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.