Home / 8,716.06-13,076.13-2,872.45

Finding the Fourth Proportional to 8,716.06, 13,076.13 and 2,872.45

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Solution

The fourth proportional to 8,716.06, 13,076.13 and 2,872.45 is: 4,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.06 : 13,076.13 = 2,872.45 : x
  2. Step 2: Convert to fraction form
    8,716.06/13,076.13 = 2,872.45/x
  3. Step 3: Cross multiply
    8,716.06x = 13,076.13 × 2,872.45
  4. Step 4: Simplify right side
    8,716.06x = 37,560,529.62
  5. Step 5: Solve for x
    x = 37,560,529.62/8,716.06
  6. Step 6: Final answer
    x = 4,309.35

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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.