Home / 4,629.92-6,389.22-2,766.56

Finding the Fourth Proportional to 4,629.92, 6,389.22 and 2,766.56

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Solution

The fourth proportional to 4,629.92, 6,389.22 and 2,766.56 is: 3,817.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.92 : 6,389.22 = 2,766.56 : x
  2. Step 2: Convert to fraction form
    4,629.92/6,389.22 = 2,766.56/x
  3. Step 3: Cross multiply
    4,629.92x = 6,389.22 × 2,766.56
  4. Step 4: Simplify right side
    4,629.92x = 17,676,160.48
  5. Step 5: Solve for x
    x = 17,676,160.48/4,629.92
  6. Step 6: Final answer
    x = 3,817.81

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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.