Home / 4,079.82-6,113.34-2,979.12

Finding the Fourth Proportional to 4,079.82, 6,113.34 and 2,979.12

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Solution

The fourth proportional to 4,079.82, 6,113.34 and 2,979.12 is: 4,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,079.82 : 6,113.34 = 2,979.12 : x
  2. Step 2: Convert to fraction form
    4,079.82/6,113.34 = 2,979.12/x
  3. Step 3: Cross multiply
    4,079.82x = 6,113.34 × 2,979.12
  4. Step 4: Simplify right side
    4,079.82x = 18,212,373.46
  5. Step 5: Solve for x
    x = 18,212,373.46/4,079.82
  6. Step 6: Final answer
    x = 4,464.01

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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.