Home / 4,129.50-6,194.25-1,207.83

Finding the Fourth Proportional to 4,129.50, 6,194.25 and 1,207.83

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Solution

The fourth proportional to 4,129.50, 6,194.25 and 1,207.83 is: 1,811.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.50 : 6,194.25 = 1,207.83 : x
  2. Step 2: Convert to fraction form
    4,129.50/6,194.25 = 1,207.83/x
  3. Step 3: Cross multiply
    4,129.50x = 6,194.25 × 1,207.83
  4. Step 4: Simplify right side
    4,129.50x = 7,481,600.98
  5. Step 5: Solve for x
    x = 7,481,600.98/4,129.50
  6. Step 6: Final answer
    x = 1,811.75

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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.