Home / 8,106.06-12,160.74-2,559.96

Finding the Fourth Proportional to 8,106.06, 12,160.74 and 2,559.96

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Solution

The fourth proportional to 8,106.06, 12,160.74 and 2,559.96 is: 3,840.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.06 : 12,160.74 = 2,559.96 : x
  2. Step 2: Convert to fraction form
    8,106.06/12,160.74 = 2,559.96/x
  3. Step 3: Cross multiply
    8,106.06x = 12,160.74 × 2,559.96
  4. Step 4: Simplify right side
    8,106.06x = 31,131,007.97
  5. Step 5: Solve for x
    x = 31,131,007.97/8,106.06
  6. Step 6: Final answer
    x = 3,840.46

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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.