Home / 8,286.18-12,429.28-3,352.44

Finding the Fourth Proportional to 8,286.18, 12,429.28 and 3,352.44

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Solution

The fourth proportional to 8,286.18, 12,429.28 and 3,352.44 is: 5,028.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.18 : 12,429.28 = 3,352.44 : x
  2. Step 2: Convert to fraction form
    8,286.18/12,429.28 = 3,352.44/x
  3. Step 3: Cross multiply
    8,286.18x = 12,429.28 × 3,352.44
  4. Step 4: Simplify right side
    8,286.18x = 41,668,415.44
  5. Step 5: Solve for x
    x = 41,668,415.44/8,286.18
  6. Step 6: Final answer
    x = 5,028.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.