Home / 5,135.29-7,086.71-2,777.43

Finding the Fourth Proportional to 5,135.29, 7,086.71 and 2,777.43

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Solution

The fourth proportional to 5,135.29, 7,086.71 and 2,777.43 is: 3,832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,135.29 : 7,086.71 = 2,777.43 : x
  2. Step 2: Convert to fraction form
    5,135.29/7,086.71 = 2,777.43/x
  3. Step 3: Cross multiply
    5,135.29x = 7,086.71 × 2,777.43
  4. Step 4: Simplify right side
    5,135.29x = 19,682,827.07
  5. Step 5: Solve for x
    x = 19,682,827.07/5,135.29
  6. Step 6: Final answer
    x = 3,832.86

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.