Home / 4,085.05-6,128.26-3,207.52

Finding the Fourth Proportional to 4,085.05, 6,128.26 and 3,207.52

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Solution

The fourth proportional to 4,085.05, 6,128.26 and 3,207.52 is: 4,811.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.05 : 6,128.26 = 3,207.52 : x
  2. Step 2: Convert to fraction form
    4,085.05/6,128.26 = 3,207.52/x
  3. Step 3: Cross multiply
    4,085.05x = 6,128.26 × 3,207.52
  4. Step 4: Simplify right side
    4,085.05x = 19,656,481.69
  5. Step 5: Solve for x
    x = 19,656,481.69/4,085.05
  6. Step 6: Final answer
    x = 4,811.81

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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.