Home / 9,079.86-13,619.80-3,882.09

Finding the Fourth Proportional to 9,079.86, 13,619.80 and 3,882.09

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Solution

The fourth proportional to 9,079.86, 13,619.80 and 3,882.09 is: 5,823.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.86 : 13,619.80 = 3,882.09 : x
  2. Step 2: Convert to fraction form
    9,079.86/13,619.80 = 3,882.09/x
  3. Step 3: Cross multiply
    9,079.86x = 13,619.80 × 3,882.09
  4. Step 4: Simplify right side
    9,079.86x = 52,873,323.47
  5. Step 5: Solve for x
    x = 52,873,323.47/9,079.86
  6. Step 6: Final answer
    x = 5,823.14

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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.