Home / 8,919.07-13,375.15-2,677.61

Finding the Fourth Proportional to 8,919.07, 13,375.15 and 2,677.61

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Solution

The fourth proportional to 8,919.07, 13,375.15 and 2,677.61 is: 4,015.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,919.07 : 13,375.15 = 2,677.61 : x
  2. Step 2: Convert to fraction form
    8,919.07/13,375.15 = 2,677.61/x
  3. Step 3: Cross multiply
    8,919.07x = 13,375.15 × 2,677.61
  4. Step 4: Simplify right side
    8,919.07x = 35,813,435.39
  5. Step 5: Solve for x
    x = 35,813,435.39/8,919.07
  6. Step 6: Final answer
    x = 4,015.38

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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.