Home / 4,979.45-7,465.89-2,380.97

Finding the Fourth Proportional to 4,979.45, 7,465.89 and 2,380.97

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Solution

The fourth proportional to 4,979.45, 7,465.89 and 2,380.97 is: 3,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.45 : 7,465.89 = 2,380.97 : x
  2. Step 2: Convert to fraction form
    4,979.45/7,465.89 = 2,380.97/x
  3. Step 3: Cross multiply
    4,979.45x = 7,465.89 × 2,380.97
  4. Step 4: Simplify right side
    4,979.45x = 17,776,060.11
  5. Step 5: Solve for x
    x = 17,776,060.11/4,979.45
  6. Step 6: Final answer
    x = 3,569.88

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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.