Home / 4,868.28-6,717.85-2,979.08

Finding the Fourth Proportional to 4,868.28, 6,717.85 and 2,979.08

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Solution

The fourth proportional to 4,868.28, 6,717.85 and 2,979.08 is: 4,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.28 : 6,717.85 = 2,979.08 : x
  2. Step 2: Convert to fraction form
    4,868.28/6,717.85 = 2,979.08/x
  3. Step 3: Cross multiply
    4,868.28x = 6,717.85 × 2,979.08
  4. Step 4: Simplify right side
    4,868.28x = 20,012,996.73
  5. Step 5: Solve for x
    x = 20,012,996.73/4,868.28
  6. Step 6: Final answer
    x = 4,110.90

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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.