Home / 4,777.68-7,153.83-2,579.61

Finding the Fourth Proportional to 4,777.68, 7,153.83 and 2,579.61

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Solution

The fourth proportional to 4,777.68, 7,153.83 and 2,579.61 is: 3,862.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,777.68 : 7,153.83 = 2,579.61 : x
  2. Step 2: Convert to fraction form
    4,777.68/7,153.83 = 2,579.61/x
  3. Step 3: Cross multiply
    4,777.68x = 7,153.83 × 2,579.61
  4. Step 4: Simplify right side
    4,777.68x = 18,454,091.41
  5. Step 5: Solve for x
    x = 18,454,091.41/4,777.68
  6. Step 6: Final answer
    x = 3,862.56

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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.