Home / 4,979.89-6,872.30-2,741.82

Finding the Fourth Proportional to 4,979.89, 6,872.30 and 2,741.82

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Solution

The fourth proportional to 4,979.89, 6,872.30 and 2,741.82 is: 3,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.89 : 6,872.30 = 2,741.82 : x
  2. Step 2: Convert to fraction form
    4,979.89/6,872.30 = 2,741.82/x
  3. Step 3: Cross multiply
    4,979.89x = 6,872.30 × 2,741.82
  4. Step 4: Simplify right side
    4,979.89x = 18,842,634.47
  5. Step 5: Solve for x
    x = 18,842,634.47/4,979.89
  6. Step 6: Final answer
    x = 3,783.74

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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.