Home / 7,839.33-11,751.43-2,642.37

Finding the Fourth Proportional to 7,839.33, 11,751.43 and 2,642.37

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Solution

The fourth proportional to 7,839.33, 11,751.43 and 2,642.37 is: 3,961.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.33 : 11,751.43 = 2,642.37 : x
  2. Step 2: Convert to fraction form
    7,839.33/11,751.43 = 2,642.37/x
  3. Step 3: Cross multiply
    7,839.33x = 11,751.43 × 2,642.37
  4. Step 4: Simplify right side
    7,839.33x = 31,051,626.09
  5. Step 5: Solve for x
    x = 31,051,626.09/7,839.33
  6. Step 6: Final answer
    x = 3,961.01

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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.