Home / 8,163.48-12,246.03-2,615.43

Finding the Fourth Proportional to 8,163.48, 12,246.03 and 2,615.43

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Solution

The fourth proportional to 8,163.48, 12,246.03 and 2,615.43 is: 3,923.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.48 : 12,246.03 = 2,615.43 : x
  2. Step 2: Convert to fraction form
    8,163.48/12,246.03 = 2,615.43/x
  3. Step 3: Cross multiply
    8,163.48x = 12,246.03 × 2,615.43
  4. Step 4: Simplify right side
    8,163.48x = 32,028,634.24
  5. Step 5: Solve for x
    x = 32,028,634.24/8,163.48
  6. Step 6: Final answer
    x = 3,923.40

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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.