Home / 5,380.20-8,072.58-2,260.98

Finding the Fourth Proportional to 5,380.20, 8,072.58 and 2,260.98

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Solution

The fourth proportional to 5,380.20, 8,072.58 and 2,260.98 is: 3,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.20 : 8,072.58 = 2,260.98 : x
  2. Step 2: Convert to fraction form
    5,380.20/8,072.58 = 2,260.98/x
  3. Step 3: Cross multiply
    5,380.20x = 8,072.58 × 2,260.98
  4. Step 4: Simplify right side
    5,380.20x = 18,251,941.93
  5. Step 5: Solve for x
    x = 18,251,941.93/5,380.20
  6. Step 6: Final answer
    x = 3,392.43

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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.