Home / 4,674.72-6,450.96-2,578.80

Finding the Fourth Proportional to 4,674.72, 6,450.96 and 2,578.80

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Solution

The fourth proportional to 4,674.72, 6,450.96 and 2,578.80 is: 3,558.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.72 : 6,450.96 = 2,578.80 : x
  2. Step 2: Convert to fraction form
    4,674.72/6,450.96 = 2,578.80/x
  3. Step 3: Cross multiply
    4,674.72x = 6,450.96 × 2,578.80
  4. Step 4: Simplify right side
    4,674.72x = 16,635,735.65
  5. Step 5: Solve for x
    x = 16,635,735.65/4,674.72
  6. Step 6: Final answer
    x = 3,558.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.