Home / 7,583.73-11,375.55-1,961.40

Finding the Fourth Proportional to 7,583.73, 11,375.55 and 1,961.40

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Solution

The fourth proportional to 7,583.73, 11,375.55 and 1,961.40 is: 2,942.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,583.73 : 11,375.55 = 1,961.40 : x
  2. Step 2: Convert to fraction form
    7,583.73/11,375.55 = 1,961.40/x
  3. Step 3: Cross multiply
    7,583.73x = 11,375.55 × 1,961.40
  4. Step 4: Simplify right side
    7,583.73x = 22,312,003.77
  5. Step 5: Solve for x
    x = 22,312,003.77/7,583.73
  6. Step 6: Final answer
    x = 2,942.09

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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.