Home / 4,380.75-6,563.39-2,817.09

Finding the Fourth Proportional to 4,380.75, 6,563.39 and 2,817.09

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Solution

The fourth proportional to 4,380.75, 6,563.39 and 2,817.09 is: 4,220.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,380.75 : 6,563.39 = 2,817.09 : x
  2. Step 2: Convert to fraction form
    4,380.75/6,563.39 = 2,817.09/x
  3. Step 3: Cross multiply
    4,380.75x = 6,563.39 × 2,817.09
  4. Step 4: Simplify right side
    4,380.75x = 18,489,646.25
  5. Step 5: Solve for x
    x = 18,489,646.25/4,380.75
  6. Step 6: Final answer
    x = 4,220.66

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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.