Home / 8,106.23-12,160.62-2,558.54

Finding the Fourth Proportional to 8,106.23, 12,160.62 and 2,558.54

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Solution

The fourth proportional to 8,106.23, 12,160.62 and 2,558.54 is: 3,838.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.23 : 12,160.62 = 2,558.54 : x
  2. Step 2: Convert to fraction form
    8,106.23/12,160.62 = 2,558.54/x
  3. Step 3: Cross multiply
    8,106.23x = 12,160.62 × 2,558.54
  4. Step 4: Simplify right side
    8,106.23x = 31,113,371.89
  5. Step 5: Solve for x
    x = 31,113,371.89/8,106.23
  6. Step 6: Final answer
    x = 3,838.21

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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.