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Finding the Fourth Proportional to 5,003.87, 6,905.17 and 2,765.71

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Solution

The fourth proportional to 5,003.87, 6,905.17 and 2,765.71 is: 3,816.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.87 : 6,905.17 = 2,765.71 : x
  2. Step 2: Convert to fraction form
    5,003.87/6,905.17 = 2,765.71/x
  3. Step 3: Cross multiply
    5,003.87x = 6,905.17 × 2,765.71
  4. Step 4: Simplify right side
    5,003.87x = 19,097,673.54
  5. Step 5: Solve for x
    x = 19,097,673.54/5,003.87
  6. Step 6: Final answer
    x = 3,816.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.