Home / 4,213.11-6,321.14-1,874.77

Finding the Fourth Proportional to 4,213.11, 6,321.14 and 1,874.77

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Solution

The fourth proportional to 4,213.11, 6,321.14 and 1,874.77 is: 2,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.11 : 6,321.14 = 1,874.77 : x
  2. Step 2: Convert to fraction form
    4,213.11/6,321.14 = 1,874.77/x
  3. Step 3: Cross multiply
    4,213.11x = 6,321.14 × 1,874.77
  4. Step 4: Simplify right side
    4,213.11x = 11,850,683.27
  5. Step 5: Solve for x
    x = 11,850,683.27/4,213.11
  6. Step 6: Final answer
    x = 2,812.81

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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.