Home / 6,351-8,764.38-3,556.50

Finding the Fourth Proportional to 6,351, 8,764.38 and 3,556.50

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Solution

The fourth proportional to 6,351, 8,764.38 and 3,556.50 is: 4,907.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351 : 8,764.38 = 3,556.50 : x
  2. Step 2: Convert to fraction form
    6,351/8,764.38 = 3,556.50/x
  3. Step 3: Cross multiply
    6,351x = 8,764.38 × 3,556.50
  4. Step 4: Simplify right side
    6,351x = 31,170,517.47
  5. Step 5: Solve for x
    x = 31,170,517.47/6,351
  6. Step 6: Final answer
    x = 4,907.97

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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.