Home / 4,427.73-6,641.55-1,961.87

Finding the Fourth Proportional to 4,427.73, 6,641.55 and 1,961.87

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Solution

The fourth proportional to 4,427.73, 6,641.55 and 1,961.87 is: 2,942.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.73 : 6,641.55 = 1,961.87 : x
  2. Step 2: Convert to fraction form
    4,427.73/6,641.55 = 1,961.87/x
  3. Step 3: Cross multiply
    4,427.73x = 6,641.55 × 1,961.87
  4. Step 4: Simplify right side
    4,427.73x = 13,029,824.49
  5. Step 5: Solve for x
    x = 13,029,824.49/4,427.73
  6. Step 6: Final answer
    x = 2,942.78

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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.