Home / 7,611.95-11,418.62-3,453.91

Finding the Fourth Proportional to 7,611.95, 11,418.62 and 3,453.91

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Solution

The fourth proportional to 7,611.95, 11,418.62 and 3,453.91 is: 5,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.95 : 11,418.62 = 3,453.91 : x
  2. Step 2: Convert to fraction form
    7,611.95/11,418.62 = 3,453.91/x
  3. Step 3: Cross multiply
    7,611.95x = 11,418.62 × 3,453.91
  4. Step 4: Simplify right side
    7,611.95x = 39,438,839.99
  5. Step 5: Solve for x
    x = 39,438,839.99/7,611.95
  6. Step 6: Final answer
    x = 5,181.17

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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.