Home / 5,201.87-7,795.91-2,731.64

Finding the Fourth Proportional to 5,201.87, 7,795.91 and 2,731.64

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Solution

The fourth proportional to 5,201.87, 7,795.91 and 2,731.64 is: 4,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.87 : 7,795.91 = 2,731.64 : x
  2. Step 2: Convert to fraction form
    5,201.87/7,795.91 = 2,731.64/x
  3. Step 3: Cross multiply
    5,201.87x = 7,795.91 × 2,731.64
  4. Step 4: Simplify right side
    5,201.87x = 21,295,587.44
  5. Step 5: Solve for x
    x = 21,295,587.44/5,201.87
  6. Step 6: Final answer
    x = 4,093.84

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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.