Home / 7,930.51-11,896.86-2,665.93

Finding the Fourth Proportional to 7,930.51, 11,896.86 and 2,665.93

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Solution

The fourth proportional to 7,930.51, 11,896.86 and 2,665.93 is: 3,999.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930.51 : 11,896.86 = 2,665.93 : x
  2. Step 2: Convert to fraction form
    7,930.51/11,896.86 = 2,665.93/x
  3. Step 3: Cross multiply
    7,930.51x = 11,896.86 × 2,665.93
  4. Step 4: Simplify right side
    7,930.51x = 31,716,183.55
  5. Step 5: Solve for x
    x = 31,716,183.55/7,930.51
  6. Step 6: Final answer
    x = 3,999.26

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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.