Home / 6,629.82-9,149.24-3,645.63

Finding the Fourth Proportional to 6,629.82, 9,149.24 and 3,645.63

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Solution

The fourth proportional to 6,629.82, 9,149.24 and 3,645.63 is: 5,031.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.82 : 9,149.24 = 3,645.63 : x
  2. Step 2: Convert to fraction form
    6,629.82/9,149.24 = 3,645.63/x
  3. Step 3: Cross multiply
    6,629.82x = 9,149.24 × 3,645.63
  4. Step 4: Simplify right side
    6,629.82x = 33,354,743.82
  5. Step 5: Solve for x
    x = 33,354,743.82/6,629.82
  6. Step 6: Final answer
    x = 5,031.02

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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.