Home / 4,979.83-6,871.91-2,741.90

Finding the Fourth Proportional to 4,979.83, 6,871.91 and 2,741.90

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Solution

The fourth proportional to 4,979.83, 6,871.91 and 2,741.90 is: 3,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.83 : 6,871.91 = 2,741.90 : x
  2. Step 2: Convert to fraction form
    4,979.83/6,871.91 = 2,741.90/x
  3. Step 3: Cross multiply
    4,979.83x = 6,871.91 × 2,741.90
  4. Step 4: Simplify right side
    4,979.83x = 18,842,114.06
  5. Step 5: Solve for x
    x = 18,842,114.06/4,979.83
  6. Step 6: Final answer
    x = 3,783.69

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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.