Home / 8,322.07-12,489.49-3,395.85

Finding the Fourth Proportional to 8,322.07, 12,489.49 and 3,395.85

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Solution

The fourth proportional to 8,322.07, 12,489.49 and 3,395.85 is: 5,096.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.07 : 12,489.49 = 3,395.85 : x
  2. Step 2: Convert to fraction form
    8,322.07/12,489.49 = 3,395.85/x
  3. Step 3: Cross multiply
    8,322.07x = 12,489.49 × 3,395.85
  4. Step 4: Simplify right side
    8,322.07x = 42,412,427.15
  5. Step 5: Solve for x
    x = 42,412,427.15/8,322.07
  6. Step 6: Final answer
    x = 5,096.38

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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.