Home / 5,262.88-7,893.09-2,142.04

Finding the Fourth Proportional to 5,262.88, 7,893.09 and 2,142.04

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Solution

The fourth proportional to 5,262.88, 7,893.09 and 2,142.04 is: 3,212.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.88 : 7,893.09 = 2,142.04 : x
  2. Step 2: Convert to fraction form
    5,262.88/7,893.09 = 2,142.04/x
  3. Step 3: Cross multiply
    5,262.88x = 7,893.09 × 2,142.04
  4. Step 4: Simplify right side
    5,262.88x = 16,907,314.50
  5. Step 5: Solve for x
    x = 16,907,314.50/5,262.88
  6. Step 6: Final answer
    x = 3,212.56

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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.