Home / 4,131.90-6,198.77-1,210.43

Finding the Fourth Proportional to 4,131.90, 6,198.77 and 1,210.43

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Solution

The fourth proportional to 4,131.90, 6,198.77 and 1,210.43 is: 1,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,131.90 : 6,198.77 = 1,210.43 : x
  2. Step 2: Convert to fraction form
    4,131.90/6,198.77 = 1,210.43/x
  3. Step 3: Cross multiply
    4,131.90x = 6,198.77 × 1,210.43
  4. Step 4: Simplify right side
    4,131.90x = 7,503,195.69
  5. Step 5: Solve for x
    x = 7,503,195.69/4,131.90
  6. Step 6: Final answer
    x = 1,815.92

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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.