Home / 4,129.88-6,195.21-1,356.56

Finding the Fourth Proportional to 4,129.88, 6,195.21 and 1,356.56

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Solution

The fourth proportional to 4,129.88, 6,195.21 and 1,356.56 is: 2,034.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.88 : 6,195.21 = 1,356.56 : x
  2. Step 2: Convert to fraction form
    4,129.88/6,195.21 = 1,356.56/x
  3. Step 3: Cross multiply
    4,129.88x = 6,195.21 × 1,356.56
  4. Step 4: Simplify right side
    4,129.88x = 8,404,143.10
  5. Step 5: Solve for x
    x = 8,404,143.10/4,129.88
  6. Step 6: Final answer
    x = 2,034.96

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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.