Home / 6,131.69-9,198.45-2,845.11

Finding the Fourth Proportional to 6,131.69, 9,198.45 and 2,845.11

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Solution

The fourth proportional to 6,131.69, 9,198.45 and 2,845.11 is: 4,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.69 : 9,198.45 = 2,845.11 : x
  2. Step 2: Convert to fraction form
    6,131.69/9,198.45 = 2,845.11/x
  3. Step 3: Cross multiply
    6,131.69x = 9,198.45 × 2,845.11
  4. Step 4: Simplify right side
    6,131.69x = 26,170,602.08
  5. Step 5: Solve for x
    x = 26,170,602.08/6,131.69
  6. Step 6: Final answer
    x = 4,268.09

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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.