Home / 4,069-6,106.56-2,121.04

Finding the Fourth Proportional to 4,069, 6,106.56 and 2,121.04

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Solution

The fourth proportional to 4,069, 6,106.56 and 2,121.04 is: 3,183.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,069 : 6,106.56 = 2,121.04 : x
  2. Step 2: Convert to fraction form
    4,069/6,106.56 = 2,121.04/x
  3. Step 3: Cross multiply
    4,069x = 6,106.56 × 2,121.04
  4. Step 4: Simplify right side
    4,069x = 12,952,258.02
  5. Step 5: Solve for x
    x = 12,952,258.02/4,069
  6. Step 6: Final answer
    x = 3,183.16

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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.