Home / 5,541.45-8,305.25-2,768.90

Finding the Fourth Proportional to 5,541.45, 8,305.25 and 2,768.90

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Solution

The fourth proportional to 5,541.45, 8,305.25 and 2,768.90 is: 4,149.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.45 : 8,305.25 = 2,768.90 : x
  2. Step 2: Convert to fraction form
    5,541.45/8,305.25 = 2,768.90/x
  3. Step 3: Cross multiply
    5,541.45x = 8,305.25 × 2,768.90
  4. Step 4: Simplify right side
    5,541.45x = 22,996,351.35
  5. Step 5: Solve for x
    x = 22,996,351.35/5,541.45
  6. Step 6: Final answer
    x = 4,149.88

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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.