Home / 7,857.37-11,793.80-5,771.52

Finding the Fourth Proportional to 7,857.37, 11,793.80 and 5,771.52

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Solution

The fourth proportional to 7,857.37, 11,793.80 and 5,771.52 is: 8,662.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,857.37 : 11,793.80 = 5,771.52 : x
  2. Step 2: Convert to fraction form
    7,857.37/11,793.80 = 5,771.52/x
  3. Step 3: Cross multiply
    7,857.37x = 11,793.80 × 5,771.52
  4. Step 4: Simplify right side
    7,857.37x = 68,068,109.49
  5. Step 5: Solve for x
    x = 68,068,109.49/7,857.37
  6. Step 6: Final answer
    x = 8,662.97

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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.