Home / 5,091.03-7,639.38-2,751

Finding the Fourth Proportional to 5,091.03, 7,639.38 and 2,751

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Solution

The fourth proportional to 5,091.03, 7,639.38 and 2,751 is: 4,128.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.03 : 7,639.38 = 2,751 : x
  2. Step 2: Convert to fraction form
    5,091.03/7,639.38 = 2,751/x
  3. Step 3: Cross multiply
    5,091.03x = 7,639.38 × 2,751
  4. Step 4: Simplify right side
    5,091.03x = 21,015,934.38
  5. Step 5: Solve for x
    x = 21,015,934.38/5,091.03
  6. Step 6: Final answer
    x = 4,128.03

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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.