Home / 7,982.05-11,975.01-2,435.49

Finding the Fourth Proportional to 7,982.05, 11,975.01 and 2,435.49

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Solution

The fourth proportional to 7,982.05, 11,975.01 and 2,435.49 is: 3,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.05 : 11,975.01 = 2,435.49 : x
  2. Step 2: Convert to fraction form
    7,982.05/11,975.01 = 2,435.49/x
  3. Step 3: Cross multiply
    7,982.05x = 11,975.01 × 2,435.49
  4. Step 4: Simplify right side
    7,982.05x = 29,165,017.10
  5. Step 5: Solve for x
    x = 29,165,017.10/7,982.05
  6. Step 6: Final answer
    x = 3,653.83

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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.