Home / 5,304.21-7,948.78-3,906.58

Finding the Fourth Proportional to 5,304.21, 7,948.78 and 3,906.58

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Solution

The fourth proportional to 5,304.21, 7,948.78 and 3,906.58 is: 5,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,304.21 : 7,948.78 = 3,906.58 : x
  2. Step 2: Convert to fraction form
    5,304.21/7,948.78 = 3,906.58/x
  3. Step 3: Cross multiply
    5,304.21x = 7,948.78 × 3,906.58
  4. Step 4: Simplify right side
    5,304.21x = 31,052,544.97
  5. Step 5: Solve for x
    x = 31,052,544.97/5,304.21
  6. Step 6: Final answer
    x = 5,854.32

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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.