Home / 5,388.86-8,091.78-3,207.32

Finding the Fourth Proportional to 5,388.86, 8,091.78 and 3,207.32

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Solution

The fourth proportional to 5,388.86, 8,091.78 and 3,207.32 is: 4,816.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388.86 : 8,091.78 = 3,207.32 : x
  2. Step 2: Convert to fraction form
    5,388.86/8,091.78 = 3,207.32/x
  3. Step 3: Cross multiply
    5,388.86x = 8,091.78 × 3,207.32
  4. Step 4: Simplify right side
    5,388.86x = 25,952,887.37
  5. Step 5: Solve for x
    x = 25,952,887.37/5,388.86
  6. Step 6: Final answer
    x = 4,816.03

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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.