Home / 4,172.21-6,252.79-2,193.79

Finding the Fourth Proportional to 4,172.21, 6,252.79 and 2,193.79

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Solution

The fourth proportional to 4,172.21, 6,252.79 and 2,193.79 is: 3,287.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.21 : 6,252.79 = 2,193.79 : x
  2. Step 2: Convert to fraction form
    4,172.21/6,252.79 = 2,193.79/x
  3. Step 3: Cross multiply
    4,172.21x = 6,252.79 × 2,193.79
  4. Step 4: Simplify right side
    4,172.21x = 13,717,308.17
  5. Step 5: Solve for x
    x = 13,717,308.17/4,172.21
  6. Step 6: Final answer
    x = 3,287.78

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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.