Home / 6,221.88-9,336-4,143.36

Finding the Fourth Proportional to 6,221.88, 9,336 and 4,143.36

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Solution

The fourth proportional to 6,221.88, 9,336 and 4,143.36 is: 6,217.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221.88 : 9,336 = 4,143.36 : x
  2. Step 2: Convert to fraction form
    6,221.88/9,336 = 4,143.36/x
  3. Step 3: Cross multiply
    6,221.88x = 9,336 × 4,143.36
  4. Step 4: Simplify right side
    6,221.88x = 38,682,408.96
  5. Step 5: Solve for x
    x = 38,682,408.96/6,221.88
  6. Step 6: Final answer
    x = 6,217.16

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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.