Home / 5,475.82-8,199.88-3,621.31

Finding the Fourth Proportional to 5,475.82, 8,199.88 and 3,621.31

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Solution

The fourth proportional to 5,475.82, 8,199.88 and 3,621.31 is: 5,422.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.82 : 8,199.88 = 3,621.31 : x
  2. Step 2: Convert to fraction form
    5,475.82/8,199.88 = 3,621.31/x
  3. Step 3: Cross multiply
    5,475.82x = 8,199.88 × 3,621.31
  4. Step 4: Simplify right side
    5,475.82x = 29,694,298.26
  5. Step 5: Solve for x
    x = 29,694,298.26/5,475.82
  6. Step 6: Final answer
    x = 5,422.81

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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.