Home / 4,000.35-5,520.82-2,207.99

Finding the Fourth Proportional to 4,000.35, 5,520.82 and 2,207.99

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Solution

The fourth proportional to 4,000.35, 5,520.82 and 2,207.99 is: 3,047.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.35 : 5,520.82 = 2,207.99 : x
  2. Step 2: Convert to fraction form
    4,000.35/5,520.82 = 2,207.99/x
  3. Step 3: Cross multiply
    4,000.35x = 5,520.82 × 2,207.99
  4. Step 4: Simplify right side
    4,000.35x = 12,189,936.70
  5. Step 5: Solve for x
    x = 12,189,936.70/4,000.35
  6. Step 6: Final answer
    x = 3,047.22

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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.