Home / 7,211.12-9,951.54-4,067.24

Finding the Fourth Proportional to 7,211.12, 9,951.54 and 4,067.24

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Solution

The fourth proportional to 7,211.12, 9,951.54 and 4,067.24 is: 5,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.12 : 9,951.54 = 4,067.24 : x
  2. Step 2: Convert to fraction form
    7,211.12/9,951.54 = 4,067.24/x
  3. Step 3: Cross multiply
    7,211.12x = 9,951.54 × 4,067.24
  4. Step 4: Simplify right side
    7,211.12x = 40,475,301.55
  5. Step 5: Solve for x
    x = 40,475,301.55/7,211.12
  6. Step 6: Final answer
    x = 5,612.90

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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.