Home / 6,522.44-9,784.49-2,138.40

Finding the Fourth Proportional to 6,522.44, 9,784.49 and 2,138.40

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Solution

The fourth proportional to 6,522.44, 9,784.49 and 2,138.40 is: 3,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,522.44 : 9,784.49 = 2,138.40 : x
  2. Step 2: Convert to fraction form
    6,522.44/9,784.49 = 2,138.40/x
  3. Step 3: Cross multiply
    6,522.44x = 9,784.49 × 2,138.40
  4. Step 4: Simplify right side
    6,522.44x = 20,923,142.72
  5. Step 5: Solve for x
    x = 20,923,142.72/6,522.44
  6. Step 6: Final answer
    x = 3,207.87

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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.