Home / 8,719.21-13,076.97-2,874.43

Finding the Fourth Proportional to 8,719.21, 13,076.97 and 2,874.43

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Solution

The fourth proportional to 8,719.21, 13,076.97 and 2,874.43 is: 4,311.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.21 : 13,076.97 = 2,874.43 : x
  2. Step 2: Convert to fraction form
    8,719.21/13,076.97 = 2,874.43/x
  3. Step 3: Cross multiply
    8,719.21x = 13,076.97 × 2,874.43
  4. Step 4: Simplify right side
    8,719.21x = 37,588,834.88
  5. Step 5: Solve for x
    x = 37,588,834.88/8,719.21
  6. Step 6: Final answer
    x = 4,311.04

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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.