Home / 7,930.36-10,942.32-4,786.72

Finding the Fourth Proportional to 7,930.36, 10,942.32 and 4,786.72

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Solution

The fourth proportional to 7,930.36, 10,942.32 and 4,786.72 is: 6,604.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.36 : 10,942.32 = 4,786.72 : x
  2. Step 2: Convert to fraction form
    7,930.36/10,942.32 = 4,786.72/x
  3. Step 3: Cross multiply
    7,930.36x = 10,942.32 × 4,786.72
  4. Step 4: Simplify right side
    7,930.36x = 52,377,821.99
  5. Step 5: Solve for x
    x = 52,377,821.99/7,930.36
  6. Step 6: Final answer
    x = 6,604.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.