Home / 4,077.92-6,119.04-3,109.88

Finding the Fourth Proportional to 4,077.92, 6,119.04 and 3,109.88

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Solution

The fourth proportional to 4,077.92, 6,119.04 and 3,109.88 is: 4,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.92 : 6,119.04 = 3,109.88 : x
  2. Step 2: Convert to fraction form
    4,077.92/6,119.04 = 3,109.88/x
  3. Step 3: Cross multiply
    4,077.92x = 6,119.04 × 3,109.88
  4. Step 4: Simplify right side
    4,077.92x = 19,029,480.12
  5. Step 5: Solve for x
    x = 19,029,480.12/4,077.92
  6. Step 6: Final answer
    x = 4,666.47

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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.