Home / 7,957.26-11,927.52-2,687.28

Finding the Fourth Proportional to 7,957.26, 11,927.52 and 2,687.28

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Solution

The fourth proportional to 7,957.26, 11,927.52 and 2,687.28 is: 4,028.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,957.26 : 11,927.52 = 2,687.28 : x
  2. Step 2: Convert to fraction form
    7,957.26/11,927.52 = 2,687.28/x
  3. Step 3: Cross multiply
    7,957.26x = 11,927.52 × 2,687.28
  4. Step 4: Simplify right side
    7,957.26x = 32,052,546.89
  5. Step 5: Solve for x
    x = 32,052,546.89/7,957.26
  6. Step 6: Final answer
    x = 4,028.09

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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.