Home / 8,257.19-12,389.45-3,336.44

Finding the Fourth Proportional to 8,257.19, 12,389.45 and 3,336.44

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Solution

The fourth proportional to 8,257.19, 12,389.45 and 3,336.44 is: 5,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.19 : 12,389.45 = 3,336.44 : x
  2. Step 2: Convert to fraction form
    8,257.19/12,389.45 = 3,336.44/x
  3. Step 3: Cross multiply
    8,257.19x = 12,389.45 × 3,336.44
  4. Step 4: Simplify right side
    8,257.19x = 41,336,577.93
  5. Step 5: Solve for x
    x = 41,336,577.93/8,257.19
  6. Step 6: Final answer
    x = 5,006.13

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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.