Home / 6,743.25-10,100.30-5,100.57

Finding the Fourth Proportional to 6,743.25, 10,100.30 and 5,100.57

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Solution

The fourth proportional to 6,743.25, 10,100.30 and 5,100.57 is: 7,639.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,743.25 : 10,100.30 = 5,100.57 : x
  2. Step 2: Convert to fraction form
    6,743.25/10,100.30 = 5,100.57/x
  3. Step 3: Cross multiply
    6,743.25x = 10,100.30 × 5,100.57
  4. Step 4: Simplify right side
    6,743.25x = 51,517,261.67
  5. Step 5: Solve for x
    x = 51,517,261.67/6,743.25
  6. Step 6: Final answer
    x = 7,639.83

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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.