Home / 5,751-7,936.92-3,654.72

Finding the Fourth Proportional to 5,751, 7,936.92 and 3,654.72

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Solution

The fourth proportional to 5,751, 7,936.92 and 3,654.72 is: 5,043.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751 : 7,936.92 = 3,654.72 : x
  2. Step 2: Convert to fraction form
    5,751/7,936.92 = 3,654.72/x
  3. Step 3: Cross multiply
    5,751x = 7,936.92 × 3,654.72
  4. Step 4: Simplify right side
    5,751x = 29,007,220.26
  5. Step 5: Solve for x
    x = 29,007,220.26/5,751
  6. Step 6: Final answer
    x = 5,043.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.