Home / 8,104.16-12,161.03-3,423.87

Finding the Fourth Proportional to 8,104.16, 12,161.03 and 3,423.87

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Solution

The fourth proportional to 8,104.16, 12,161.03 and 3,423.87 is: 5,137.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.16 : 12,161.03 = 3,423.87 : x
  2. Step 2: Convert to fraction form
    8,104.16/12,161.03 = 3,423.87/x
  3. Step 3: Cross multiply
    8,104.16x = 12,161.03 × 3,423.87
  4. Step 4: Simplify right side
    8,104.16x = 41,637,785.79
  5. Step 5: Solve for x
    x = 41,637,785.79/8,104.16
  6. Step 6: Final answer
    x = 5,137.83

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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.