Home / 7,148.14-10,724.94-2,986.97

Finding the Fourth Proportional to 7,148.14, 10,724.94 and 2,986.97

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Solution

The fourth proportional to 7,148.14, 10,724.94 and 2,986.97 is: 4,481.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148.14 : 10,724.94 = 2,986.97 : x
  2. Step 2: Convert to fraction form
    7,148.14/10,724.94 = 2,986.97/x
  3. Step 3: Cross multiply
    7,148.14x = 10,724.94 × 2,986.97
  4. Step 4: Simplify right side
    7,148.14x = 32,035,020.41
  5. Step 5: Solve for x
    x = 32,035,020.41/7,148.14
  6. Step 6: Final answer
    x = 4,481.59

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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.