Home / 8,446.08-12,669.12-3,828

Finding the Fourth Proportional to 8,446.08, 12,669.12 and 3,828

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Solution

The fourth proportional to 8,446.08, 12,669.12 and 3,828 is: 5,742

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,446.08 : 12,669.12 = 3,828 : x
  2. Step 2: Convert to fraction form
    8,446.08/12,669.12 = 3,828/x
  3. Step 3: Cross multiply
    8,446.08x = 12,669.12 × 3,828
  4. Step 4: Simplify right side
    8,446.08x = 48,497,391.36
  5. Step 5: Solve for x
    x = 48,497,391.36/8,446.08
  6. Step 6: Final answer
    x = 5,742

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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.