Home / 4,079.80-6,106.11-3,100.42

Finding the Fourth Proportional to 4,079.80, 6,106.11 and 3,100.42

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Solution

The fourth proportional to 4,079.80, 6,106.11 and 3,100.42 is: 4,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.80 : 6,106.11 = 3,100.42 : x
  2. Step 2: Convert to fraction form
    4,079.80/6,106.11 = 3,100.42/x
  3. Step 3: Cross multiply
    4,079.80x = 6,106.11 × 3,100.42
  4. Step 4: Simplify right side
    4,079.80x = 18,931,505.57
  5. Step 5: Solve for x
    x = 18,931,505.57/4,079.80
  6. Step 6: Final answer
    x = 4,640.30

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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.