Home / 6,243.80-8,615.82-3,449.12

Finding the Fourth Proportional to 6,243.80, 8,615.82 and 3,449.12

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Solution

The fourth proportional to 6,243.80, 8,615.82 and 3,449.12 is: 4,759.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,243.80 : 8,615.82 = 3,449.12 : x
  2. Step 2: Convert to fraction form
    6,243.80/8,615.82 = 3,449.12/x
  3. Step 3: Cross multiply
    6,243.80x = 8,615.82 × 3,449.12
  4. Step 4: Simplify right side
    6,243.80x = 29,716,997.08
  5. Step 5: Solve for x
    x = 29,716,997.08/6,243.80
  6. Step 6: Final answer
    x = 4,759.44

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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.