Home / 7,867.11-11,797.82-2,671.77

Finding the Fourth Proportional to 7,867.11, 11,797.82 and 2,671.77

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Solution

The fourth proportional to 7,867.11, 11,797.82 and 2,671.77 is: 4,006.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,867.11 : 11,797.82 = 2,671.77 : x
  2. Step 2: Convert to fraction form
    7,867.11/11,797.82 = 2,671.77/x
  3. Step 3: Cross multiply
    7,867.11x = 11,797.82 × 2,671.77
  4. Step 4: Simplify right side
    7,867.11x = 31,521,061.54
  5. Step 5: Solve for x
    x = 31,521,061.54/7,867.11
  6. Step 6: Final answer
    x = 4,006.69

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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.