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Finding the Fourth Proportional to 4,804.17, 6,629.72 and 2,679.68

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Solution

The fourth proportional to 4,804.17, 6,629.72 and 2,679.68 is: 3,697.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,804.17 : 6,629.72 = 2,679.68 : x
  2. Step 2: Convert to fraction form
    4,804.17/6,629.72 = 2,679.68/x
  3. Step 3: Cross multiply
    4,804.17x = 6,629.72 × 2,679.68
  4. Step 4: Simplify right side
    4,804.17x = 17,765,481.54
  5. Step 5: Solve for x
    x = 17,765,481.54/4,804.17
  6. Step 6: Final answer
    x = 3,697.93

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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.