Home / 7,871.09-11,806.61-2,027.66

Finding the Fourth Proportional to 7,871.09, 11,806.61 and 2,027.66

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Solution

The fourth proportional to 7,871.09, 11,806.61 and 2,027.66 is: 3,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,871.09 : 11,806.61 = 2,027.66 : x
  2. Step 2: Convert to fraction form
    7,871.09/11,806.61 = 2,027.66/x
  3. Step 3: Cross multiply
    7,871.09x = 11,806.61 × 2,027.66
  4. Step 4: Simplify right side
    7,871.09x = 23,939,721.66
  5. Step 5: Solve for x
    x = 23,939,721.66/7,871.09
  6. Step 6: Final answer
    x = 3,041.48

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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.