Home / 5,530.28-7,629.90-3,542.03

Finding the Fourth Proportional to 5,530.28, 7,629.90 and 3,542.03

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Solution

The fourth proportional to 5,530.28, 7,629.90 and 3,542.03 is: 4,886.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.28 : 7,629.90 = 3,542.03 : x
  2. Step 2: Convert to fraction form
    5,530.28/7,629.90 = 3,542.03/x
  3. Step 3: Cross multiply
    5,530.28x = 7,629.90 × 3,542.03
  4. Step 4: Simplify right side
    5,530.28x = 27,025,311.88
  5. Step 5: Solve for x
    x = 27,025,311.88/5,530.28
  6. Step 6: Final answer
    x = 4,886.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.