Home / 4,129.38-6,193.26-1,207.71

Finding the Fourth Proportional to 4,129.38, 6,193.26 and 1,207.71

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Solution

The fourth proportional to 4,129.38, 6,193.26 and 1,207.71 is: 1,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.38 : 6,193.26 = 1,207.71 : x
  2. Step 2: Convert to fraction form
    4,129.38/6,193.26 = 1,207.71/x
  3. Step 3: Cross multiply
    4,129.38x = 6,193.26 × 1,207.71
  4. Step 4: Simplify right side
    4,129.38x = 7,479,662.03
  5. Step 5: Solve for x
    x = 7,479,662.03/4,129.38
  6. Step 6: Final answer
    x = 1,811.33

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Double scale
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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.