Home / 6,286.56-8,675.68-3,634.80

Finding the Fourth Proportional to 6,286.56, 8,675.68 and 3,634.80

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Solution

The fourth proportional to 6,286.56, 8,675.68 and 3,634.80 is: 5,016.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.56 : 8,675.68 = 3,634.80 : x
  2. Step 2: Convert to fraction form
    6,286.56/8,675.68 = 3,634.80/x
  3. Step 3: Cross multiply
    6,286.56x = 8,675.68 × 3,634.80
  4. Step 4: Simplify right side
    6,286.56x = 31,534,361.66
  5. Step 5: Solve for x
    x = 31,534,361.66/6,286.56
  6. Step 6: Final answer
    x = 5,016.16

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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.