Home / 7,982.66-11,973.72-2,435.78

Finding the Fourth Proportional to 7,982.66, 11,973.72 and 2,435.78

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Solution

The fourth proportional to 7,982.66, 11,973.72 and 2,435.78 is: 3,653.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,982.66 : 11,973.72 = 2,435.78 : x
  2. Step 2: Convert to fraction form
    7,982.66/11,973.72 = 2,435.78/x
  3. Step 3: Cross multiply
    7,982.66x = 11,973.72 × 2,435.78
  4. Step 4: Simplify right side
    7,982.66x = 29,165,347.70
  5. Step 5: Solve for x
    x = 29,165,347.70/7,982.66
  6. Step 6: Final answer
    x = 3,653.59

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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.