Home / 8,253.36-12,379.91-3,322.87

Finding the Fourth Proportional to 8,253.36, 12,379.91 and 3,322.87

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Solution

The fourth proportional to 8,253.36, 12,379.91 and 3,322.87 is: 4,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,253.36 : 12,379.91 = 3,322.87 : x
  2. Step 2: Convert to fraction form
    8,253.36/12,379.91 = 3,322.87/x
  3. Step 3: Cross multiply
    8,253.36x = 12,379.91 × 3,322.87
  4. Step 4: Simplify right side
    8,253.36x = 41,136,831.54
  5. Step 5: Solve for x
    x = 41,136,831.54/8,253.36
  6. Step 6: Final answer
    x = 4,984.25

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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.