Home / 5,872.72-8,104.43-3,220.08

Finding the Fourth Proportional to 5,872.72, 8,104.43 and 3,220.08

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Solution

The fourth proportional to 5,872.72, 8,104.43 and 3,220.08 is: 4,443.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.72 : 8,104.43 = 3,220.08 : x
  2. Step 2: Convert to fraction form
    5,872.72/8,104.43 = 3,220.08/x
  3. Step 3: Cross multiply
    5,872.72x = 8,104.43 × 3,220.08
  4. Step 4: Simplify right side
    5,872.72x = 26,096,912.95
  5. Step 5: Solve for x
    x = 26,096,912.95/5,872.72
  6. Step 6: Final answer
    x = 4,443.75

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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.