Home / 8,493.29-12,739.94-2,650.36

Finding the Fourth Proportional to 8,493.29, 12,739.94 and 2,650.36

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Solution

The fourth proportional to 8,493.29, 12,739.94 and 2,650.36 is: 3,975.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,493.29 : 12,739.94 = 2,650.36 : x
  2. Step 2: Convert to fraction form
    8,493.29/12,739.94 = 2,650.36/x
  3. Step 3: Cross multiply
    8,493.29x = 12,739.94 × 2,650.36
  4. Step 4: Simplify right side
    8,493.29x = 33,765,392.22
  5. Step 5: Solve for x
    x = 33,765,392.22/8,493.29
  6. Step 6: Final answer
    x = 3,975.54

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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.