Home / 5,530.97-7,640.48-3,851.54

Finding the Fourth Proportional to 5,530.97, 7,640.48 and 3,851.54

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Solution

The fourth proportional to 5,530.97, 7,640.48 and 3,851.54 is: 5,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.97 : 7,640.48 = 3,851.54 : x
  2. Step 2: Convert to fraction form
    5,530.97/7,640.48 = 3,851.54/x
  3. Step 3: Cross multiply
    5,530.97x = 7,640.48 × 3,851.54
  4. Step 4: Simplify right side
    5,530.97x = 29,427,556.88
  5. Step 5: Solve for x
    x = 29,427,556.88/5,530.97
  6. Step 6: Final answer
    x = 5,320.51

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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.