Home / 6,629.89-9,149.11-3,645.73

Finding the Fourth Proportional to 6,629.89, 9,149.11 and 3,645.73

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Solution

The fourth proportional to 6,629.89, 9,149.11 and 3,645.73 is: 5,031.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.89 : 9,149.11 = 3,645.73 : x
  2. Step 2: Convert to fraction form
    6,629.89/9,149.11 = 3,645.73/x
  3. Step 3: Cross multiply
    6,629.89x = 9,149.11 × 3,645.73
  4. Step 4: Simplify right side
    6,629.89x = 33,355,184.80
  5. Step 5: Solve for x
    x = 33,355,184.80/6,629.89
  6. Step 6: Final answer
    x = 5,031.03

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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.