Home / 6,286.20-8,675.12-3,453.72

Finding the Fourth Proportional to 6,286.20, 8,675.12 and 3,453.72

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Solution

The fourth proportional to 6,286.20, 8,675.12 and 3,453.72 is: 4,766.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.20 : 8,675.12 = 3,453.72 : x
  2. Step 2: Convert to fraction form
    6,286.20/8,675.12 = 3,453.72/x
  3. Step 3: Cross multiply
    6,286.20x = 8,675.12 × 3,453.72
  4. Step 4: Simplify right side
    6,286.20x = 29,961,435.45
  5. Step 5: Solve for x
    x = 29,961,435.45/6,286.20
  6. Step 6: Final answer
    x = 4,766.22

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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.