Home / 4,131.45-6,198.26-1,358.55

Finding the Fourth Proportional to 4,131.45, 6,198.26 and 1,358.55

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Solution

The fourth proportional to 4,131.45, 6,198.26 and 1,358.55 is: 2,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.45 : 6,198.26 = 1,358.55 : x
  2. Step 2: Convert to fraction form
    4,131.45/6,198.26 = 1,358.55/x
  3. Step 3: Cross multiply
    4,131.45x = 6,198.26 × 1,358.55
  4. Step 4: Simplify right side
    4,131.45x = 8,420,639.33
  5. Step 5: Solve for x
    x = 8,420,639.33/4,131.45
  6. Step 6: Final answer
    x = 2,038.18

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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.