Home / 4,215.22-6,322.04-1,404.09

Finding the Fourth Proportional to 4,215.22, 6,322.04 and 1,404.09

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Solution

The fourth proportional to 4,215.22, 6,322.04 and 1,404.09 is: 2,105.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.22 : 6,322.04 = 1,404.09 : x
  2. Step 2: Convert to fraction form
    4,215.22/6,322.04 = 1,404.09/x
  3. Step 3: Cross multiply
    4,215.22x = 6,322.04 × 1,404.09
  4. Step 4: Simplify right side
    4,215.22x = 8,876,713.14
  5. Step 5: Solve for x
    x = 8,876,713.14/4,215.22
  6. Step 6: Final answer
    x = 2,105.87

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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.