Home / 4,086.05-6,129.76-3,208.52

Finding the Fourth Proportional to 4,086.05, 6,129.76 and 3,208.52

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Solution

The fourth proportional to 4,086.05, 6,129.76 and 3,208.52 is: 4,813.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.05 : 6,129.76 = 3,208.52 : x
  2. Step 2: Convert to fraction form
    4,086.05/6,129.76 = 3,208.52/x
  3. Step 3: Cross multiply
    4,086.05x = 6,129.76 × 3,208.52
  4. Step 4: Simplify right side
    4,086.05x = 19,667,457.56
  5. Step 5: Solve for x
    x = 19,667,457.56/4,086.05
  6. Step 6: Final answer
    x = 4,813.32

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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.