Home / 8,544.31-12,811.91-4,382.64

Finding the Fourth Proportional to 8,544.31, 12,811.91 and 4,382.64

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Solution

The fourth proportional to 8,544.31, 12,811.91 and 4,382.64 is: 6,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,544.31 : 12,811.91 = 4,382.64 : x
  2. Step 2: Convert to fraction form
    8,544.31/12,811.91 = 4,382.64/x
  3. Step 3: Cross multiply
    8,544.31x = 12,811.91 × 4,382.64
  4. Step 4: Simplify right side
    8,544.31x = 56,149,967.33
  5. Step 5: Solve for x
    x = 56,149,967.33/8,544.31
  6. Step 6: Final answer
    x = 6,571.62

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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.