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Finding the Fourth Proportional to 7,171.54, 9,869.76 and 6,067

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Solution

The fourth proportional to 7,171.54, 9,869.76 and 6,067 is: 8,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.54 : 9,869.76 = 6,067 : x
  2. Step 2: Convert to fraction form
    7,171.54/9,869.76 = 6,067/x
  3. Step 3: Cross multiply
    7,171.54x = 9,869.76 × 6,067
  4. Step 4: Simplify right side
    7,171.54x = 59,879,833.92
  5. Step 5: Solve for x
    x = 59,879,833.92/7,171.54
  6. Step 6: Final answer
    x = 8,349.65

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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.