Home / 3,629.80-5,477.11-3,508.30

Finding the Fourth Proportional to 3,629.80, 5,477.11 and 3,508.30

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Solution

The fourth proportional to 3,629.80, 5,477.11 and 3,508.30 is: 5,293.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629.80 : 5,477.11 = 3,508.30 : x
  2. Step 2: Convert to fraction form
    3,629.80/5,477.11 = 3,508.30/x
  3. Step 3: Cross multiply
    3,629.80x = 5,477.11 × 3,508.30
  4. Step 4: Simplify right side
    3,629.80x = 19,215,345.01
  5. Step 5: Solve for x
    x = 19,215,345.01/3,629.80
  6. Step 6: Final answer
    x = 5,293.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.