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Finding the Fourth Proportional to 4,899, 6,759.18 and 2,908.56

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Solution

The fourth proportional to 4,899, 6,759.18 and 2,908.56 is: 4,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899 : 6,759.18 = 2,908.56 : x
  2. Step 2: Convert to fraction form
    4,899/6,759.18 = 2,908.56/x
  3. Step 3: Cross multiply
    4,899x = 6,759.18 × 2,908.56
  4. Step 4: Simplify right side
    4,899x = 19,659,480.58
  5. Step 5: Solve for x
    x = 19,659,480.58/4,899
  6. Step 6: Final answer
    x = 4,012.96

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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.