Home / 7,286.37-10,919.21-3,327.90

Finding the Fourth Proportional to 7,286.37, 10,919.21 and 3,327.90

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Solution

The fourth proportional to 7,286.37, 10,919.21 and 3,327.90 is: 4,987.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.37 : 10,919.21 = 3,327.90 : x
  2. Step 2: Convert to fraction form
    7,286.37/10,919.21 = 3,327.90/x
  3. Step 3: Cross multiply
    7,286.37x = 10,919.21 × 3,327.90
  4. Step 4: Simplify right side
    7,286.37x = 36,337,981.37
  5. Step 5: Solve for x
    x = 36,337,981.37/7,286.37
  6. Step 6: Final answer
    x = 4,987.12

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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.