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Finding the Fourth Proportional to 4,803.76, 6,629.51 and 2,707.88

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Solution

The fourth proportional to 4,803.76, 6,629.51 and 2,707.88 is: 3,737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.76 : 6,629.51 = 2,707.88 : x
  2. Step 2: Convert to fraction form
    4,803.76/6,629.51 = 2,707.88/x
  3. Step 3: Cross multiply
    4,803.76x = 6,629.51 × 2,707.88
  4. Step 4: Simplify right side
    4,803.76x = 17,951,917.54
  5. Step 5: Solve for x
    x = 17,951,917.54/4,803.76
  6. Step 6: Final answer
    x = 3,737.06

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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.