Home / 9,310.80-13,961.40-3,464.40

Finding the Fourth Proportional to 9,310.80, 13,961.40 and 3,464.40

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Solution

The fourth proportional to 9,310.80, 13,961.40 and 3,464.40 is: 5,194.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.80 : 13,961.40 = 3,464.40 : x
  2. Step 2: Convert to fraction form
    9,310.80/13,961.40 = 3,464.40/x
  3. Step 3: Cross multiply
    9,310.80x = 13,961.40 × 3,464.40
  4. Step 4: Simplify right side
    9,310.80x = 48,367,874.16
  5. Step 5: Solve for x
    x = 48,367,874.16/9,310.80
  6. Step 6: Final answer
    x = 5,194.81

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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.