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Finding the Fourth Proportional to 4,835.28, 6,672 and 2,739

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Solution

The fourth proportional to 4,835.28, 6,672 and 2,739 is: 3,779.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,835.28 : 6,672 = 2,739 : x
  2. Step 2: Convert to fraction form
    4,835.28/6,672 = 2,739/x
  3. Step 3: Cross multiply
    4,835.28x = 6,672 × 2,739
  4. Step 4: Simplify right side
    4,835.28x = 18,274,608
  5. Step 5: Solve for x
    x = 18,274,608/4,835.28
  6. Step 6: Final answer
    x = 3,779.43

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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.