Home / 8,766.32-13,144.60-2,919.72

Finding the Fourth Proportional to 8,766.32, 13,144.60 and 2,919.72

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Solution

The fourth proportional to 8,766.32, 13,144.60 and 2,919.72 is: 4,377.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.32 : 13,144.60 = 2,919.72 : x
  2. Step 2: Convert to fraction form
    8,766.32/13,144.60 = 2,919.72/x
  3. Step 3: Cross multiply
    8,766.32x = 13,144.60 × 2,919.72
  4. Step 4: Simplify right side
    8,766.32x = 38,378,551.51
  5. Step 5: Solve for x
    x = 38,378,551.51/8,766.32
  6. Step 6: Final answer
    x = 4,377.95

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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.