Home / 4,481.22-6,721.58-2,142.89

Finding the Fourth Proportional to 4,481.22, 6,721.58 and 2,142.89

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Solution

The fourth proportional to 4,481.22, 6,721.58 and 2,142.89 is: 3,214.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.22 : 6,721.58 = 2,142.89 : x
  2. Step 2: Convert to fraction form
    4,481.22/6,721.58 = 2,142.89/x
  3. Step 3: Cross multiply
    4,481.22x = 6,721.58 × 2,142.89
  4. Step 4: Simplify right side
    4,481.22x = 14,403,603.52
  5. Step 5: Solve for x
    x = 14,403,603.52/4,481.22
  6. Step 6: Final answer
    x = 3,214.21

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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.