Home / 7,211.25-9,951.35-4,067.19

Finding the Fourth Proportional to 7,211.25, 9,951.35 and 4,067.19

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Solution

The fourth proportional to 7,211.25, 9,951.35 and 4,067.19 is: 5,612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.25 : 9,951.35 = 4,067.19 : x
  2. Step 2: Convert to fraction form
    7,211.25/9,951.35 = 4,067.19/x
  3. Step 3: Cross multiply
    7,211.25x = 9,951.35 × 4,067.19
  4. Step 4: Simplify right side
    7,211.25x = 40,474,010.87
  5. Step 5: Solve for x
    x = 40,474,010.87/7,211.25
  6. Step 6: Final answer
    x = 5,612.62

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1.5x scale

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.