Home / 5,163.24-7,742.90-2,199.82

Finding the Fourth Proportional to 5,163.24, 7,742.90 and 2,199.82

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Solution

The fourth proportional to 5,163.24, 7,742.90 and 2,199.82 is: 3,298.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.24 : 7,742.90 = 2,199.82 : x
  2. Step 2: Convert to fraction form
    5,163.24/7,742.90 = 2,199.82/x
  3. Step 3: Cross multiply
    5,163.24x = 7,742.90 × 2,199.82
  4. Step 4: Simplify right side
    5,163.24x = 17,032,986.28
  5. Step 5: Solve for x
    x = 17,032,986.28/5,163.24
  6. Step 6: Final answer
    x = 3,298.89

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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.