Home / 6,351-8,764.46-3,518.43

Finding the Fourth Proportional to 6,351, 8,764.46 and 3,518.43

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Solution

The fourth proportional to 6,351, 8,764.46 and 3,518.43 is: 4,855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,351 : 8,764.46 = 3,518.43 : x
  2. Step 2: Convert to fraction form
    6,351/8,764.46 = 3,518.43/x
  3. Step 3: Cross multiply
    6,351x = 8,764.46 × 3,518.43
  4. Step 4: Simplify right side
    6,351x = 30,837,139.00
  5. Step 5: Solve for x
    x = 30,837,139.00/6,351
  6. Step 6: Final answer
    x = 4,855.48

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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.