Home / 7,517.16-11,267.64-3,131.82

Finding the Fourth Proportional to 7,517.16, 11,267.64 and 3,131.82

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Solution

The fourth proportional to 7,517.16, 11,267.64 and 3,131.82 is: 4,694.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,517.16 : 11,267.64 = 3,131.82 : x
  2. Step 2: Convert to fraction form
    7,517.16/11,267.64 = 3,131.82/x
  3. Step 3: Cross multiply
    7,517.16x = 11,267.64 × 3,131.82
  4. Step 4: Simplify right side
    7,517.16x = 35,288,220.30
  5. Step 5: Solve for x
    x = 35,288,220.30/7,517.16
  6. Step 6: Final answer
    x = 4,694.36

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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.