Home / 4,935.66-6,811.17-2,919.79

Finding the Fourth Proportional to 4,935.66, 6,811.17 and 2,919.79

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Solution

The fourth proportional to 4,935.66, 6,811.17 and 2,919.79 is: 4,029.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.66 : 6,811.17 = 2,919.79 : x
  2. Step 2: Convert to fraction form
    4,935.66/6,811.17 = 2,919.79/x
  3. Step 3: Cross multiply
    4,935.66x = 6,811.17 × 2,919.79
  4. Step 4: Simplify right side
    4,935.66x = 19,887,183.62
  5. Step 5: Solve for x
    x = 19,887,183.62/4,935.66
  6. Step 6: Final answer
    x = 4,029.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.