Home / 8,556.09-12,821.31-3,873.48

Finding the Fourth Proportional to 8,556.09, 12,821.31 and 3,873.48

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Solution

The fourth proportional to 8,556.09, 12,821.31 and 3,873.48 is: 5,804.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556.09 : 12,821.31 = 3,873.48 : x
  2. Step 2: Convert to fraction form
    8,556.09/12,821.31 = 3,873.48/x
  3. Step 3: Cross multiply
    8,556.09x = 12,821.31 × 3,873.48
  4. Step 4: Simplify right side
    8,556.09x = 49,663,087.86
  5. Step 5: Solve for x
    x = 49,663,087.86/8,556.09
  6. Step 6: Final answer
    x = 5,804.41

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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.