Home / 5,571-8,351.84-2,286.45

Finding the Fourth Proportional to 5,571, 8,351.84 and 2,286.45

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Solution

The fourth proportional to 5,571, 8,351.84 and 2,286.45 is: 3,427.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571 : 8,351.84 = 2,286.45 : x
  2. Step 2: Convert to fraction form
    5,571/8,351.84 = 2,286.45/x
  3. Step 3: Cross multiply
    5,571x = 8,351.84 × 2,286.45
  4. Step 4: Simplify right side
    5,571x = 19,096,070.28
  5. Step 5: Solve for x
    x = 19,096,070.28/5,571
  6. Step 6: Final answer
    x = 3,427.76

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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.