Home / 4,321.81-6,485.24-2,842.86

Finding the Fourth Proportional to 4,321.81, 6,485.24 and 2,842.86

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Solution

The fourth proportional to 4,321.81, 6,485.24 and 2,842.86 is: 4,265.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,321.81 : 6,485.24 = 2,842.86 : x
  2. Step 2: Convert to fraction form
    4,321.81/6,485.24 = 2,842.86/x
  3. Step 3: Cross multiply
    4,321.81x = 6,485.24 × 2,842.86
  4. Step 4: Simplify right side
    4,321.81x = 18,436,629.39
  5. Step 5: Solve for x
    x = 18,436,629.39/4,321.81
  6. Step 6: Final answer
    x = 4,265.95

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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.