Home / 6,629.54-9,149.01-3,645.62

Finding the Fourth Proportional to 6,629.54, 9,149.01 and 3,645.62

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Solution

The fourth proportional to 6,629.54, 9,149.01 and 3,645.62 is: 5,031.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.54 : 9,149.01 = 3,645.62 : x
  2. Step 2: Convert to fraction form
    6,629.54/9,149.01 = 3,645.62/x
  3. Step 3: Cross multiply
    6,629.54x = 9,149.01 × 3,645.62
  4. Step 4: Simplify right side
    6,629.54x = 33,353,813.84
  5. Step 5: Solve for x
    x = 33,353,813.84/6,629.54
  6. Step 6: Final answer
    x = 5,031.09

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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.