Home / 7,839.17-11,755.26-3,675.81

Finding the Fourth Proportional to 7,839.17, 11,755.26 and 3,675.81

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Solution

The fourth proportional to 7,839.17, 11,755.26 and 3,675.81 is: 5,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,839.17 : 11,755.26 = 3,675.81 : x
  2. Step 2: Convert to fraction form
    7,839.17/11,755.26 = 3,675.81/x
  3. Step 3: Cross multiply
    7,839.17x = 11,755.26 × 3,675.81
  4. Step 4: Simplify right side
    7,839.17x = 43,210,102.26
  5. Step 5: Solve for x
    x = 43,210,102.26/7,839.17
  6. Step 6: Final answer
    x = 5,512.08

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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.