Home / 7,933.89-11,899.66-2,090.49

Finding the Fourth Proportional to 7,933.89, 11,899.66 and 2,090.49

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Solution

The fourth proportional to 7,933.89, 11,899.66 and 2,090.49 is: 3,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.89 : 11,899.66 = 2,090.49 : x
  2. Step 2: Convert to fraction form
    7,933.89/11,899.66 = 2,090.49/x
  3. Step 3: Cross multiply
    7,933.89x = 11,899.66 × 2,090.49
  4. Step 4: Simplify right side
    7,933.89x = 24,876,120.23
  5. Step 5: Solve for x
    x = 24,876,120.23/7,933.89
  6. Step 6: Final answer
    x = 3,135.43

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1.5x scale

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.