Home / 7,918.53-11,861.35-3,761.82

Finding the Fourth Proportional to 7,918.53, 11,861.35 and 3,761.82

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Solution

The fourth proportional to 7,918.53, 11,861.35 and 3,761.82 is: 5,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.53 : 11,861.35 = 3,761.82 : x
  2. Step 2: Convert to fraction form
    7,918.53/11,861.35 = 3,761.82/x
  3. Step 3: Cross multiply
    7,918.53x = 11,861.35 × 3,761.82
  4. Step 4: Simplify right side
    7,918.53x = 44,620,226.18
  5. Step 5: Solve for x
    x = 44,620,226.18/7,918.53
  6. Step 6: Final answer
    x = 5,634.91

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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.