Home / 8,930.28-13,380.66-3,083.64

Finding the Fourth Proportional to 8,930.28, 13,380.66 and 3,083.64

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Solution

The fourth proportional to 8,930.28, 13,380.66 and 3,083.64 is: 4,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,930.28 : 13,380.66 = 3,083.64 : x
  2. Step 2: Convert to fraction form
    8,930.28/13,380.66 = 3,083.64/x
  3. Step 3: Cross multiply
    8,930.28x = 13,380.66 × 3,083.64
  4. Step 4: Simplify right side
    8,930.28x = 41,261,138.40
  5. Step 5: Solve for x
    x = 41,261,138.40/8,930.28
  6. Step 6: Final answer
    x = 4,620.36

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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.