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Finding the Fourth Proportional to 5,649, 7,796.60 and 3,258.54

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Solution

The fourth proportional to 5,649, 7,796.60 and 3,258.54 is: 4,497.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,649 : 7,796.60 = 3,258.54 : x
  2. Step 2: Convert to fraction form
    5,649/7,796.60 = 3,258.54/x
  3. Step 3: Cross multiply
    5,649x = 7,796.60 × 3,258.54
  4. Step 4: Simplify right side
    5,649x = 25,405,532.96
  5. Step 5: Solve for x
    x = 25,405,532.96/5,649
  6. Step 6: Final answer
    x = 4,497.35

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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.