Home / 4,170.52-6,255.78-1,092.52

Finding the Fourth Proportional to 4,170.52, 6,255.78 and 1,092.52

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Solution

The fourth proportional to 4,170.52, 6,255.78 and 1,092.52 is: 1,638.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,170.52 : 6,255.78 = 1,092.52 : x
  2. Step 2: Convert to fraction form
    4,170.52/6,255.78 = 1,092.52/x
  3. Step 3: Cross multiply
    4,170.52x = 6,255.78 × 1,092.52
  4. Step 4: Simplify right side
    4,170.52x = 6,834,564.77
  5. Step 5: Solve for x
    x = 6,834,564.77/4,170.52
  6. Step 6: Final answer
    x = 1,638.78

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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.