Home / 5,517.46-8,277-1,621.36

Finding the Fourth Proportional to 5,517.46, 8,277 and 1,621.36

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Solution

The fourth proportional to 5,517.46, 8,277 and 1,621.36 is: 2,432.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.46 : 8,277 = 1,621.36 : x
  2. Step 2: Convert to fraction form
    5,517.46/8,277 = 1,621.36/x
  3. Step 3: Cross multiply
    5,517.46x = 8,277 × 1,621.36
  4. Step 4: Simplify right side
    5,517.46x = 13,419,996.72
  5. Step 5: Solve for x
    x = 13,419,996.72/5,517.46
  6. Step 6: Final answer
    x = 2,432.28

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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.