Home / 4,623.43-6,379.57-2,855.60

Finding the Fourth Proportional to 4,623.43, 6,379.57 and 2,855.60

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Solution

The fourth proportional to 4,623.43, 6,379.57 and 2,855.60 is: 3,940.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,623.43 : 6,379.57 = 2,855.60 : x
  2. Step 2: Convert to fraction form
    4,623.43/6,379.57 = 2,855.60/x
  3. Step 3: Cross multiply
    4,623.43x = 6,379.57 × 2,855.60
  4. Step 4: Simplify right side
    4,623.43x = 18,217,500.09
  5. Step 5: Solve for x
    x = 18,217,500.09/4,623.43
  6. Step 6: Final answer
    x = 3,940.26

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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.