Home / 6,888.27-10,330.56-2,991.75

Finding the Fourth Proportional to 6,888.27, 10,330.56 and 2,991.75

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Solution

The fourth proportional to 6,888.27, 10,330.56 and 2,991.75 is: 4,486.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.27 : 10,330.56 = 2,991.75 : x
  2. Step 2: Convert to fraction form
    6,888.27/10,330.56 = 2,991.75/x
  3. Step 3: Cross multiply
    6,888.27x = 10,330.56 × 2,991.75
  4. Step 4: Simplify right side
    6,888.27x = 30,906,452.88
  5. Step 5: Solve for x
    x = 30,906,452.88/6,888.27
  6. Step 6: Final answer
    x = 4,486.82

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.