Home / 8,716.88-13,077.30-2,873.36

Finding the Fourth Proportional to 8,716.88, 13,077.30 and 2,873.36

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Solution

The fourth proportional to 8,716.88, 13,077.30 and 2,873.36 is: 4,310.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.88 : 13,077.30 = 2,873.36 : x
  2. Step 2: Convert to fraction form
    8,716.88/13,077.30 = 2,873.36/x
  3. Step 3: Cross multiply
    8,716.88x = 13,077.30 × 2,873.36
  4. Step 4: Simplify right side
    8,716.88x = 37,575,790.73
  5. Step 5: Solve for x
    x = 37,575,790.73/8,716.88
  6. Step 6: Final answer
    x = 4,310.69

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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.