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Finding the Fourth Proportional to 4,411, 6,612.04 and 2,768.70

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Solution

The fourth proportional to 4,411, 6,612.04 and 2,768.70 is: 4,150.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,411 : 6,612.04 = 2,768.70 : x
  2. Step 2: Convert to fraction form
    4,411/6,612.04 = 2,768.70/x
  3. Step 3: Cross multiply
    4,411x = 6,612.04 × 2,768.70
  4. Step 4: Simplify right side
    4,411x = 18,306,755.15
  5. Step 5: Solve for x
    x = 18,306,755.15/4,411
  6. Step 6: Final answer
    x = 4,150.25

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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.