Home / 8,716.48-13,080.89-3,787.56

Finding the Fourth Proportional to 8,716.48, 13,080.89 and 3,787.56

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Solution

The fourth proportional to 8,716.48, 13,080.89 and 3,787.56 is: 5,684.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.48 : 13,080.89 = 3,787.56 : x
  2. Step 2: Convert to fraction form
    8,716.48/13,080.89 = 3,787.56/x
  3. Step 3: Cross multiply
    8,716.48x = 13,080.89 × 3,787.56
  4. Step 4: Simplify right side
    8,716.48x = 49,544,665.20
  5. Step 5: Solve for x
    x = 49,544,665.20/8,716.48
  6. Step 6: Final answer
    x = 5,684.02

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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.