Home / 8,102.44-12,155.30-3,104.45

Finding the Fourth Proportional to 8,102.44, 12,155.30 and 3,104.45

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Solution

The fourth proportional to 8,102.44, 12,155.30 and 3,104.45 is: 4,657.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,102.44 : 12,155.30 = 3,104.45 : x
  2. Step 2: Convert to fraction form
    8,102.44/12,155.30 = 3,104.45/x
  3. Step 3: Cross multiply
    8,102.44x = 12,155.30 × 3,104.45
  4. Step 4: Simplify right side
    8,102.44x = 37,735,521.09
  5. Step 5: Solve for x
    x = 37,735,521.09/8,102.44
  6. Step 6: Final answer
    x = 4,657.30

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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.