Home / 4,629.78-6,942.60-2,162.70

Finding the Fourth Proportional to 4,629.78, 6,942.60 and 2,162.70

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Solution

The fourth proportional to 4,629.78, 6,942.60 and 2,162.70 is: 3,243.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,629.78 : 6,942.60 = 2,162.70 : x
  2. Step 2: Convert to fraction form
    4,629.78/6,942.60 = 2,162.70/x
  3. Step 3: Cross multiply
    4,629.78x = 6,942.60 × 2,162.70
  4. Step 4: Simplify right side
    4,629.78x = 15,014,761.02
  5. Step 5: Solve for x
    x = 15,014,761.02/4,629.78
  6. Step 6: Final answer
    x = 3,243.08

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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.