Home / 8,255.78-12,377.91-3,060.26

Finding the Fourth Proportional to 8,255.78, 12,377.91 and 3,060.26

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Solution

The fourth proportional to 8,255.78, 12,377.91 and 3,060.26 is: 4,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.78 : 12,377.91 = 3,060.26 : x
  2. Step 2: Convert to fraction form
    8,255.78/12,377.91 = 3,060.26/x
  3. Step 3: Cross multiply
    8,255.78x = 12,377.91 × 3,060.26
  4. Step 4: Simplify right side
    8,255.78x = 37,879,622.86
  5. Step 5: Solve for x
    x = 37,879,622.86/8,255.78
  6. Step 6: Final answer
    x = 4,588.25

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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.