Home / 4,979.83-6,872.42-2,741.69

Finding the Fourth Proportional to 4,979.83, 6,872.42 and 2,741.69

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Solution

The fourth proportional to 4,979.83, 6,872.42 and 2,741.69 is: 3,783.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.83 : 6,872.42 = 2,741.69 : x
  2. Step 2: Convert to fraction form
    4,979.83/6,872.42 = 2,741.69/x
  3. Step 3: Cross multiply
    4,979.83x = 6,872.42 × 2,741.69
  4. Step 4: Simplify right side
    4,979.83x = 18,841,997.12
  5. Step 5: Solve for x
    x = 18,841,997.12/4,979.83
  6. Step 6: Final answer
    x = 3,783.66

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1.5x scale

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.