Home / 8,286.21-12,429.96-2,363.52

Finding the Fourth Proportional to 8,286.21, 12,429.96 and 2,363.52

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Solution

The fourth proportional to 8,286.21, 12,429.96 and 2,363.52 is: 3,545.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.21 : 12,429.96 = 2,363.52 : x
  2. Step 2: Convert to fraction form
    8,286.21/12,429.96 = 2,363.52/x
  3. Step 3: Cross multiply
    8,286.21x = 12,429.96 × 2,363.52
  4. Step 4: Simplify right side
    8,286.21x = 29,378,459.06
  5. Step 5: Solve for x
    x = 29,378,459.06/8,286.21
  6. Step 6: Final answer
    x = 3,545.46

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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.