Home / 4,028.21-5,556.12-2,835.68

Finding the Fourth Proportional to 4,028.21, 5,556.12 and 2,835.68

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Solution

The fourth proportional to 4,028.21, 5,556.12 and 2,835.68 is: 3,911.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.21 : 5,556.12 = 2,835.68 : x
  2. Step 2: Convert to fraction form
    4,028.21/5,556.12 = 2,835.68/x
  3. Step 3: Cross multiply
    4,028.21x = 5,556.12 × 2,835.68
  4. Step 4: Simplify right side
    4,028.21x = 15,755,350.58
  5. Step 5: Solve for x
    x = 15,755,350.58/4,028.21
  6. Step 6: Final answer
    x = 3,911.26

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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.