Home / 4,129.06-6,195.41-1,668.69

Finding the Fourth Proportional to 4,129.06, 6,195.41 and 1,668.69

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Solution

The fourth proportional to 4,129.06, 6,195.41 and 1,668.69 is: 2,503.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.06 : 6,195.41 = 1,668.69 : x
  2. Step 2: Convert to fraction form
    4,129.06/6,195.41 = 1,668.69/x
  3. Step 3: Cross multiply
    4,129.06x = 6,195.41 × 1,668.69
  4. Step 4: Simplify right side
    4,129.06x = 10,338,179.39
  5. Step 5: Solve for x
    x = 10,338,179.39/4,129.06
  6. Step 6: Final answer
    x = 2,503.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.