Home / 8,163.79-12,244.37-2,239.45

Finding the Fourth Proportional to 8,163.79, 12,244.37 and 2,239.45

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Solution

The fourth proportional to 8,163.79, 12,244.37 and 2,239.45 is: 3,358.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,163.79 : 12,244.37 = 2,239.45 : x
  2. Step 2: Convert to fraction form
    8,163.79/12,244.37 = 2,239.45/x
  3. Step 3: Cross multiply
    8,163.79x = 12,244.37 × 2,239.45
  4. Step 4: Simplify right side
    8,163.79x = 27,420,612.59
  5. Step 5: Solve for x
    x = 27,420,612.59/8,163.79
  6. Step 6: Final answer
    x = 3,358.81

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1.5x scale

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.