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Finding the Fourth Proportional to 6,452.82, 8,905.05 and 3,658.50

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Solution

The fourth proportional to 6,452.82, 8,905.05 and 3,658.50 is: 5,048.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,452.82 : 8,905.05 = 3,658.50 : x
  2. Step 2: Convert to fraction form
    6,452.82/8,905.05 = 3,658.50/x
  3. Step 3: Cross multiply
    6,452.82x = 8,905.05 × 3,658.50
  4. Step 4: Simplify right side
    6,452.82x = 32,579,125.43
  5. Step 5: Solve for x
    x = 32,579,125.43/6,452.82
  6. Step 6: Final answer
    x = 5,048.82

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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.