Home / 5,454.45-8,181.72-3,380.49

Finding the Fourth Proportional to 5,454.45, 8,181.72 and 3,380.49

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Solution

The fourth proportional to 5,454.45, 8,181.72 and 3,380.49 is: 5,070.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,454.45 : 8,181.72 = 3,380.49 : x
  2. Step 2: Convert to fraction form
    5,454.45/8,181.72 = 3,380.49/x
  3. Step 3: Cross multiply
    5,454.45x = 8,181.72 × 3,380.49
  4. Step 4: Simplify right side
    5,454.45x = 27,658,222.64
  5. Step 5: Solve for x
    x = 27,658,222.64/5,454.45
  6. Step 6: Final answer
    x = 5,070.76

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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.