Home / 8,949.39-13,423.68-3,106.46

Finding the Fourth Proportional to 8,949.39, 13,423.68 and 3,106.46

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Solution

The fourth proportional to 8,949.39, 13,423.68 and 3,106.46 is: 4,659.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.39 : 13,423.68 = 3,106.46 : x
  2. Step 2: Convert to fraction form
    8,949.39/13,423.68 = 3,106.46/x
  3. Step 3: Cross multiply
    8,949.39x = 13,423.68 × 3,106.46
  4. Step 4: Simplify right side
    8,949.39x = 41,700,057.85
  5. Step 5: Solve for x
    x = 41,700,057.85/8,949.39
  6. Step 6: Final answer
    x = 4,659.54

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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.