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Finding the Fourth Proportional to 6,650.26, 9,958.10 and 6,453.05

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Solution

The fourth proportional to 6,650.26, 9,958.10 and 6,453.05 is: 9,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.26 : 9,958.10 = 6,453.05 : x
  2. Step 2: Convert to fraction form
    6,650.26/9,958.10 = 6,453.05/x
  3. Step 3: Cross multiply
    6,650.26x = 9,958.10 × 6,453.05
  4. Step 4: Simplify right side
    6,650.26x = 64,260,178.55
  5. Step 5: Solve for x
    x = 64,260,178.55/6,650.26
  6. Step 6: Final answer
    x = 9,662.80

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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.