Home / 7,186.56-10,778.40-2,255.52

Finding the Fourth Proportional to 7,186.56, 10,778.40 and 2,255.52

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Solution

The fourth proportional to 7,186.56, 10,778.40 and 2,255.52 is: 3,382.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.56 : 10,778.40 = 2,255.52 : x
  2. Step 2: Convert to fraction form
    7,186.56/10,778.40 = 2,255.52/x
  3. Step 3: Cross multiply
    7,186.56x = 10,778.40 × 2,255.52
  4. Step 4: Simplify right side
    7,186.56x = 24,310,896.77
  5. Step 5: Solve for x
    x = 24,310,896.77/7,186.56
  6. Step 6: Final answer
    x = 3,382.83

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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.