Home / 5,530.69-7,629.44-3,290.97

Finding the Fourth Proportional to 5,530.69, 7,629.44 and 3,290.97

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Solution

The fourth proportional to 5,530.69, 7,629.44 and 3,290.97 is: 4,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.69 : 7,629.44 = 3,290.97 : x
  2. Step 2: Convert to fraction form
    5,530.69/7,629.44 = 3,290.97/x
  3. Step 3: Cross multiply
    5,530.69x = 7,629.44 × 3,290.97
  4. Step 4: Simplify right side
    5,530.69x = 25,108,241.70
  5. Step 5: Solve for x
    x = 25,108,241.70/5,530.69
  6. Step 6: Final answer
    x = 4,539.80

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1.5x scale

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.