Home / 7,933.88-11,899.67-2,090.49

Finding the Fourth Proportional to 7,933.88, 11,899.67 and 2,090.49

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Solution

The fourth proportional to 7,933.88, 11,899.67 and 2,090.49 is: 3,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.88 : 11,899.67 = 2,090.49 : x
  2. Step 2: Convert to fraction form
    7,933.88/11,899.67 = 2,090.49/x
  3. Step 3: Cross multiply
    7,933.88x = 11,899.67 × 2,090.49
  4. Step 4: Simplify right side
    7,933.88x = 24,876,141.14
  5. Step 5: Solve for x
    x = 24,876,141.14/7,933.88
  6. Step 6: Final answer
    x = 3,135.43

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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.