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Finding the Fourth Proportional to 6,520.02, 8,996.22 and 3,868.31

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Solution

The fourth proportional to 6,520.02, 8,996.22 and 3,868.31 is: 5,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,520.02 : 8,996.22 = 3,868.31 : x
  2. Step 2: Convert to fraction form
    6,520.02/8,996.22 = 3,868.31/x
  3. Step 3: Cross multiply
    6,520.02x = 8,996.22 × 3,868.31
  4. Step 4: Simplify right side
    6,520.02x = 34,800,122.81
  5. Step 5: Solve for x
    x = 34,800,122.81/6,520.02
  6. Step 6: Final answer
    x = 5,337.43

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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.