Home / 7,380.56-11,074.14-3,917

Finding the Fourth Proportional to 7,380.56, 11,074.14 and 3,917

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Solution

The fourth proportional to 7,380.56, 11,074.14 and 3,917 is: 5,877.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.56 : 11,074.14 = 3,917 : x
  2. Step 2: Convert to fraction form
    7,380.56/11,074.14 = 3,917/x
  3. Step 3: Cross multiply
    7,380.56x = 11,074.14 × 3,917
  4. Step 4: Simplify right side
    7,380.56x = 43,377,406.38
  5. Step 5: Solve for x
    x = 43,377,406.38/7,380.56
  6. Step 6: Final answer
    x = 5,877.25

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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.