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Finding the Fourth Proportional to 6,444.50, 8,892.06 and 3,792.20

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Solution

The fourth proportional to 6,444.50, 8,892.06 and 3,792.20 is: 5,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,444.50 : 8,892.06 = 3,792.20 : x
  2. Step 2: Convert to fraction form
    6,444.50/8,892.06 = 3,792.20/x
  3. Step 3: Cross multiply
    6,444.50x = 8,892.06 × 3,792.20
  4. Step 4: Simplify right side
    6,444.50x = 33,720,469.93
  5. Step 5: Solve for x
    x = 33,720,469.93/6,444.50
  6. Step 6: Final answer
    x = 5,232.44

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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.