Home / 4,451.75-6,677.55-1,331.78

Finding the Fourth Proportional to 4,451.75, 6,677.55 and 1,331.78

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Solution

The fourth proportional to 4,451.75, 6,677.55 and 1,331.78 is: 1,997.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.75 : 6,677.55 = 1,331.78 : x
  2. Step 2: Convert to fraction form
    4,451.75/6,677.55 = 1,331.78/x
  3. Step 3: Cross multiply
    4,451.75x = 6,677.55 × 1,331.78
  4. Step 4: Simplify right side
    4,451.75x = 8,892,999.15
  5. Step 5: Solve for x
    x = 8,892,999.15/4,451.75
  6. Step 6: Final answer
    x = 1,997.64

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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.