Home / 8,716.53-13,056.72-4,260.78

Finding the Fourth Proportional to 8,716.53, 13,056.72 and 4,260.78

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Solution

The fourth proportional to 8,716.53, 13,056.72 and 4,260.78 is: 6,382.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.53 : 13,056.72 = 4,260.78 : x
  2. Step 2: Convert to fraction form
    8,716.53/13,056.72 = 4,260.78/x
  3. Step 3: Cross multiply
    8,716.53x = 13,056.72 × 4,260.78
  4. Step 4: Simplify right side
    8,716.53x = 55,631,811.44
  5. Step 5: Solve for x
    x = 55,631,811.44/8,716.53
  6. Step 6: Final answer
    x = 6,382.33

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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.