Home / 4,129.76-6,194.85-3,144.12

Finding the Fourth Proportional to 4,129.76, 6,194.85 and 3,144.12

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Solution

The fourth proportional to 4,129.76, 6,194.85 and 3,144.12 is: 4,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.76 : 6,194.85 = 3,144.12 : x
  2. Step 2: Convert to fraction form
    4,129.76/6,194.85 = 3,144.12/x
  3. Step 3: Cross multiply
    4,129.76x = 6,194.85 × 3,144.12
  4. Step 4: Simplify right side
    4,129.76x = 19,477,351.78
  5. Step 5: Solve for x
    x = 19,477,351.78/4,129.76
  6. Step 6: Final answer
    x = 4,716.35

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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.