Home / 5,530.11-7,629.13-3,639.26

Finding the Fourth Proportional to 5,530.11, 7,629.13 and 3,639.26

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Solution

The fourth proportional to 5,530.11, 7,629.13 and 3,639.26 is: 5,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.11 : 7,629.13 = 3,639.26 : x
  2. Step 2: Convert to fraction form
    5,530.11/7,629.13 = 3,639.26/x
  3. Step 3: Cross multiply
    5,530.11x = 7,629.13 × 3,639.26
  4. Step 4: Simplify right side
    5,530.11x = 27,764,387.64
  5. Step 5: Solve for x
    x = 27,764,387.64/5,530.11
  6. Step 6: Final answer
    x = 5,020.59

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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.