Home / 5,519.32-8,263.81-3,855.11

Finding the Fourth Proportional to 5,519.32, 8,263.81 and 3,855.11

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Solution

The fourth proportional to 5,519.32, 8,263.81 and 3,855.11 is: 5,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.32 : 8,263.81 = 3,855.11 : x
  2. Step 2: Convert to fraction form
    5,519.32/8,263.81 = 3,855.11/x
  3. Step 3: Cross multiply
    5,519.32x = 8,263.81 × 3,855.11
  4. Step 4: Simplify right side
    5,519.32x = 31,857,884.87
  5. Step 5: Solve for x
    x = 31,857,884.87/5,519.32
  6. Step 6: Final answer
    x = 5,772.06

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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.