Home / 5,469.30-8,201.55-2,181.30

Finding the Fourth Proportional to 5,469.30, 8,201.55 and 2,181.30

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Solution

The fourth proportional to 5,469.30, 8,201.55 and 2,181.30 is: 3,270.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.30 : 8,201.55 = 2,181.30 : x
  2. Step 2: Convert to fraction form
    5,469.30/8,201.55 = 2,181.30/x
  3. Step 3: Cross multiply
    5,469.30x = 8,201.55 × 2,181.30
  4. Step 4: Simplify right side
    5,469.30x = 17,890,041.02
  5. Step 5: Solve for x
    x = 17,890,041.02/5,469.30
  6. Step 6: Final answer
    x = 3,270.99

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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.