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Finding the Fourth Proportional to 4,294.72, 6,441.72 and 2,213.60

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Solution

The fourth proportional to 4,294.72, 6,441.72 and 2,213.60 is: 3,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,294.72 : 6,441.72 = 2,213.60 : x
  2. Step 2: Convert to fraction form
    4,294.72/6,441.72 = 2,213.60/x
  3. Step 3: Cross multiply
    4,294.72x = 6,441.72 × 2,213.60
  4. Step 4: Simplify right side
    4,294.72x = 14,259,391.39
  5. Step 5: Solve for x
    x = 14,259,391.39/4,294.72
  6. Step 6: Final answer
    x = 3,320.21

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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.