Home / 4,069.08-6,103.71-2,120.04

Finding the Fourth Proportional to 4,069.08, 6,103.71 and 2,120.04

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Solution

The fourth proportional to 4,069.08, 6,103.71 and 2,120.04 is: 3,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069.08 : 6,103.71 = 2,120.04 : x
  2. Step 2: Convert to fraction form
    4,069.08/6,103.71 = 2,120.04/x
  3. Step 3: Cross multiply
    4,069.08x = 6,103.71 × 2,120.04
  4. Step 4: Simplify right side
    4,069.08x = 12,940,109.35
  5. Step 5: Solve for x
    x = 12,940,109.35/4,069.08
  6. Step 6: Final answer
    x = 3,180.11

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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.