Home / 6,231.20-9,346.80-2,071.86

Finding the Fourth Proportional to 6,231.20, 9,346.80 and 2,071.86

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Solution

The fourth proportional to 6,231.20, 9,346.80 and 2,071.86 is: 3,107.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.20 : 9,346.80 = 2,071.86 : x
  2. Step 2: Convert to fraction form
    6,231.20/9,346.80 = 2,071.86/x
  3. Step 3: Cross multiply
    6,231.20x = 9,346.80 × 2,071.86
  4. Step 4: Simplify right side
    6,231.20x = 19,365,261.05
  5. Step 5: Solve for x
    x = 19,365,261.05/6,231.20
  6. Step 6: Final answer
    x = 3,107.79

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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.