Home / 5,076.72-7,611.22-3,512.57

Finding the Fourth Proportional to 5,076.72, 7,611.22 and 3,512.57

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Solution

The fourth proportional to 5,076.72, 7,611.22 and 3,512.57 is: 5,266.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,076.72 : 7,611.22 = 3,512.57 : x
  2. Step 2: Convert to fraction form
    5,076.72/7,611.22 = 3,512.57/x
  3. Step 3: Cross multiply
    5,076.72x = 7,611.22 × 3,512.57
  4. Step 4: Simplify right side
    5,076.72x = 26,734,887.42
  5. Step 5: Solve for x
    x = 26,734,887.42/5,076.72
  6. Step 6: Final answer
    x = 5,266.17

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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.