Home / 4,719.36-7,072.92-1,942.88

Finding the Fourth Proportional to 4,719.36, 7,072.92 and 1,942.88

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Solution

The fourth proportional to 4,719.36, 7,072.92 and 1,942.88 is: 2,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,719.36 : 7,072.92 = 1,942.88 : x
  2. Step 2: Convert to fraction form
    4,719.36/7,072.92 = 1,942.88/x
  3. Step 3: Cross multiply
    4,719.36x = 7,072.92 × 1,942.88
  4. Step 4: Simplify right side
    4,719.36x = 13,741,834.81
  5. Step 5: Solve for x
    x = 13,741,834.81/4,719.36
  6. Step 6: Final answer
    x = 2,911.80

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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.