Home / 6,629.88-9,149.44-3,645.84

Finding the Fourth Proportional to 6,629.88, 9,149.44 and 3,645.84

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Solution

The fourth proportional to 6,629.88, 9,149.44 and 3,645.84 is: 5,031.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.88 : 9,149.44 = 3,645.84 : x
  2. Step 2: Convert to fraction form
    6,629.88/9,149.44 = 3,645.84/x
  3. Step 3: Cross multiply
    6,629.88x = 9,149.44 × 3,645.84
  4. Step 4: Simplify right side
    6,629.88x = 33,357,394.33
  5. Step 5: Solve for x
    x = 33,357,394.33/6,629.88
  6. Step 6: Final answer
    x = 5,031.37

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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.