Home / 8,054.57-12,077.39-2,786.75

Finding the Fourth Proportional to 8,054.57, 12,077.39 and 2,786.75

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Solution

The fourth proportional to 8,054.57, 12,077.39 and 2,786.75 is: 4,178.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054.57 : 12,077.39 = 2,786.75 : x
  2. Step 2: Convert to fraction form
    8,054.57/12,077.39 = 2,786.75/x
  3. Step 3: Cross multiply
    8,054.57x = 12,077.39 × 2,786.75
  4. Step 4: Simplify right side
    8,054.57x = 33,656,652.65
  5. Step 5: Solve for x
    x = 33,656,652.65/8,054.57
  6. Step 6: Final answer
    x = 4,178.58

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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.