Home / 6,131.16-9,198.18-2,669.40

Finding the Fourth Proportional to 6,131.16, 9,198.18 and 2,669.40

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Solution

The fourth proportional to 6,131.16, 9,198.18 and 2,669.40 is: 4,004.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131.16 : 9,198.18 = 2,669.40 : x
  2. Step 2: Convert to fraction form
    6,131.16/9,198.18 = 2,669.40/x
  3. Step 3: Cross multiply
    6,131.16x = 9,198.18 × 2,669.40
  4. Step 4: Simplify right side
    6,131.16x = 24,553,621.69
  5. Step 5: Solve for x
    x = 24,553,621.69/6,131.16
  6. Step 6: Final answer
    x = 4,004.73

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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.