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Finding the Fourth Proportional to 6,452.55, 8,905.37 and 3,800.21

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Solution

The fourth proportional to 6,452.55, 8,905.37 and 3,800.21 is: 5,244.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,452.55 : 8,905.37 = 3,800.21 : x
  2. Step 2: Convert to fraction form
    6,452.55/8,905.37 = 3,800.21/x
  3. Step 3: Cross multiply
    6,452.55x = 8,905.37 × 3,800.21
  4. Step 4: Simplify right side
    6,452.55x = 33,842,212.60
  5. Step 5: Solve for x
    x = 33,842,212.60/6,452.55
  6. Step 6: Final answer
    x = 5,244.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.