Home / 5,546.45-8,320.16-2,213.87

Finding the Fourth Proportional to 5,546.45, 8,320.16 and 2,213.87

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Solution

The fourth proportional to 5,546.45, 8,320.16 and 2,213.87 is: 3,320.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,546.45 : 8,320.16 = 2,213.87 : x
  2. Step 2: Convert to fraction form
    5,546.45/8,320.16 = 2,213.87/x
  3. Step 3: Cross multiply
    5,546.45x = 8,320.16 × 2,213.87
  4. Step 4: Simplify right side
    5,546.45x = 18,419,716.55
  5. Step 5: Solve for x
    x = 18,419,716.55/5,546.45
  6. Step 6: Final answer
    x = 3,320.99

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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.