Home / 7,945.56-11,918.31-2,751.44

Finding the Fourth Proportional to 7,945.56, 11,918.31 and 2,751.44

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Solution

The fourth proportional to 7,945.56, 11,918.31 and 2,751.44 is: 4,127.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.56 : 11,918.31 = 2,751.44 : x
  2. Step 2: Convert to fraction form
    7,945.56/11,918.31 = 2,751.44/x
  3. Step 3: Cross multiply
    7,945.56x = 11,918.31 × 2,751.44
  4. Step 4: Simplify right side
    7,945.56x = 32,792,455.27
  5. Step 5: Solve for x
    x = 32,792,455.27/7,945.56
  6. Step 6: Final answer
    x = 4,127.14

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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.