Home / 5,789.96-7,990.16-3,137.35

Finding the Fourth Proportional to 5,789.96, 7,990.16 and 3,137.35

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Solution

The fourth proportional to 5,789.96, 7,990.16 and 3,137.35 is: 4,329.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.96 : 7,990.16 = 3,137.35 : x
  2. Step 2: Convert to fraction form
    5,789.96/7,990.16 = 3,137.35/x
  3. Step 3: Cross multiply
    5,789.96x = 7,990.16 × 3,137.35
  4. Step 4: Simplify right side
    5,789.96x = 25,067,892.81
  5. Step 5: Solve for x
    x = 25,067,892.81/5,789.96
  6. Step 6: Final answer
    x = 4,329.54

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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.