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Finding the Fourth Proportional to 4,452, 6,661.44 and 2,800.86

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Solution

The fourth proportional to 4,452, 6,661.44 and 2,800.86 is: 4,190.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,452 : 6,661.44 = 2,800.86 : x
  2. Step 2: Convert to fraction form
    4,452/6,661.44 = 2,800.86/x
  3. Step 3: Cross multiply
    4,452x = 6,661.44 × 2,800.86
  4. Step 4: Simplify right side
    4,452x = 18,657,760.84
  5. Step 5: Solve for x
    x = 18,657,760.84/4,452
  6. Step 6: Final answer
    x = 4,190.87

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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.