Home / 8,521.23-12,786.03-3,844.47

Finding the Fourth Proportional to 8,521.23, 12,786.03 and 3,844.47

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Solution

The fourth proportional to 8,521.23, 12,786.03 and 3,844.47 is: 5,768.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.23 : 12,786.03 = 3,844.47 : x
  2. Step 2: Convert to fraction form
    8,521.23/12,786.03 = 3,844.47/x
  3. Step 3: Cross multiply
    8,521.23x = 12,786.03 × 3,844.47
  4. Step 4: Simplify right side
    8,521.23x = 49,155,508.75
  5. Step 5: Solve for x
    x = 49,155,508.75/8,521.23
  6. Step 6: Final answer
    x = 5,768.59

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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.