Home / 7,917.48-11,850.47-5,836.65

Finding the Fourth Proportional to 7,917.48, 11,850.47 and 5,836.65

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Solution

The fourth proportional to 7,917.48, 11,850.47 and 5,836.65 is: 8,735.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.48 : 11,850.47 = 5,836.65 : x
  2. Step 2: Convert to fraction form
    7,917.48/11,850.47 = 5,836.65/x
  3. Step 3: Cross multiply
    7,917.48x = 11,850.47 × 5,836.65
  4. Step 4: Simplify right side
    7,917.48x = 69,167,016.54
  5. Step 5: Solve for x
    x = 69,167,016.54/7,917.48
  6. Step 6: Final answer
    x = 8,735.99

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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.