Home / 8,266.91-12,409.25-3,339.78

Finding the Fourth Proportional to 8,266.91, 12,409.25 and 3,339.78

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Solution

The fourth proportional to 8,266.91, 12,409.25 and 3,339.78 is: 5,013.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.91 : 12,409.25 = 3,339.78 : x
  2. Step 2: Convert to fraction form
    8,266.91/12,409.25 = 3,339.78/x
  3. Step 3: Cross multiply
    8,266.91x = 12,409.25 × 3,339.78
  4. Step 4: Simplify right side
    8,266.91x = 41,444,190.32
  5. Step 5: Solve for x
    x = 41,444,190.32/8,266.91
  6. Step 6: Final answer
    x = 5,013.26

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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.