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Finding the Fourth Proportional to 4,327.76, 5,972.72 and 2,755.75

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Solution

The fourth proportional to 4,327.76, 5,972.72 and 2,755.75 is: 3,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,327.76 : 5,972.72 = 2,755.75 : x
  2. Step 2: Convert to fraction form
    4,327.76/5,972.72 = 2,755.75/x
  3. Step 3: Cross multiply
    4,327.76x = 5,972.72 × 2,755.75
  4. Step 4: Simplify right side
    4,327.76x = 16,459,323.14
  5. Step 5: Solve for x
    x = 16,459,323.14/4,327.76
  6. Step 6: Final answer
    x = 3,803.20

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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.