Home / 7,918.97-11,893.83-5,830.72

Finding the Fourth Proportional to 7,918.97, 11,893.83 and 5,830.72

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Solution

The fourth proportional to 7,918.97, 11,893.83 and 5,830.72 is: 8,757.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.97 : 11,893.83 = 5,830.72 : x
  2. Step 2: Convert to fraction form
    7,918.97/11,893.83 = 5,830.72/x
  3. Step 3: Cross multiply
    7,918.97x = 11,893.83 × 5,830.72
  4. Step 4: Simplify right side
    7,918.97x = 69,349,593.04
  5. Step 5: Solve for x
    x = 69,349,593.04/7,918.97
  6. Step 6: Final answer
    x = 8,757.41

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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.