Home / 4,198.18-6,322.26-3,656.90

Finding the Fourth Proportional to 4,198.18, 6,322.26 and 3,656.90

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Solution

The fourth proportional to 4,198.18, 6,322.26 and 3,656.90 is: 5,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198.18 : 6,322.26 = 3,656.90 : x
  2. Step 2: Convert to fraction form
    4,198.18/6,322.26 = 3,656.90/x
  3. Step 3: Cross multiply
    4,198.18x = 6,322.26 × 3,656.90
  4. Step 4: Simplify right side
    4,198.18x = 23,119,872.59
  5. Step 5: Solve for x
    x = 23,119,872.59/4,198.18
  6. Step 6: Final answer
    x = 5,507.12

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.