Home / 6,743.61-10,112.18-3,821.13

Finding the Fourth Proportional to 6,743.61, 10,112.18 and 3,821.13

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Solution

The fourth proportional to 6,743.61, 10,112.18 and 3,821.13 is: 5,729.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.61 : 10,112.18 = 3,821.13 : x
  2. Step 2: Convert to fraction form
    6,743.61/10,112.18 = 3,821.13/x
  3. Step 3: Cross multiply
    6,743.61x = 10,112.18 × 3,821.13
  4. Step 4: Simplify right side
    6,743.61x = 38,639,935.26
  5. Step 5: Solve for x
    x = 38,639,935.26/6,743.61
  6. Step 6: Final answer
    x = 5,729.86

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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.