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Finding the Fourth Proportional to 6,563.58, 9,843.39 and 2,180.22

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Solution

The fourth proportional to 6,563.58, 9,843.39 and 2,180.22 is: 3,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,563.58 : 9,843.39 = 2,180.22 : x
  2. Step 2: Convert to fraction form
    6,563.58/9,843.39 = 2,180.22/x
  3. Step 3: Cross multiply
    6,563.58x = 9,843.39 × 2,180.22
  4. Step 4: Simplify right side
    6,563.58x = 21,460,755.75
  5. Step 5: Solve for x
    x = 21,460,755.75/6,563.58
  6. Step 6: Final answer
    x = 3,269.67

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1.5x scale

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.