Home / 4,450.92-6,672.78-1,855.80

Finding the Fourth Proportional to 4,450.92, 6,672.78 and 1,855.80

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Solution

The fourth proportional to 4,450.92, 6,672.78 and 1,855.80 is: 2,782.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.92 : 6,672.78 = 1,855.80 : x
  2. Step 2: Convert to fraction form
    4,450.92/6,672.78 = 1,855.80/x
  3. Step 3: Cross multiply
    4,450.92x = 6,672.78 × 1,855.80
  4. Step 4: Simplify right side
    4,450.92x = 12,383,345.12
  5. Step 5: Solve for x
    x = 12,383,345.12/4,450.92
  6. Step 6: Final answer
    x = 2,782.20

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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.