Home / 5,507.20-8,261.44-1,996.80

Finding the Fourth Proportional to 5,507.20, 8,261.44 and 1,996.80

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Solution

The fourth proportional to 5,507.20, 8,261.44 and 1,996.80 is: 2,995.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,507.20 : 8,261.44 = 1,996.80 : x
  2. Step 2: Convert to fraction form
    5,507.20/8,261.44 = 1,996.80/x
  3. Step 3: Cross multiply
    5,507.20x = 8,261.44 × 1,996.80
  4. Step 4: Simplify right side
    5,507.20x = 16,496,443.39
  5. Step 5: Solve for x
    x = 16,496,443.39/5,507.20
  6. Step 6: Final answer
    x = 2,995.43

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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.