Home / 4,119.62-6,179.58-2,117.77

Finding the Fourth Proportional to 4,119.62, 6,179.58 and 2,117.77

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Solution

The fourth proportional to 4,119.62, 6,179.58 and 2,117.77 is: 3,176.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.62 : 6,179.58 = 2,117.77 : x
  2. Step 2: Convert to fraction form
    4,119.62/6,179.58 = 2,117.77/x
  3. Step 3: Cross multiply
    4,119.62x = 6,179.58 × 2,117.77
  4. Step 4: Simplify right side
    4,119.62x = 13,086,940.47
  5. Step 5: Solve for x
    x = 13,086,940.47/4,119.62
  6. Step 6: Final answer
    x = 3,176.74

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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.