Home / 4,288.22-6,431.04-1,823

Finding the Fourth Proportional to 4,288.22, 6,431.04 and 1,823

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Solution

The fourth proportional to 4,288.22, 6,431.04 and 1,823 is: 2,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.22 : 6,431.04 = 1,823 : x
  2. Step 2: Convert to fraction form
    4,288.22/6,431.04 = 1,823/x
  3. Step 3: Cross multiply
    4,288.22x = 6,431.04 × 1,823
  4. Step 4: Simplify right side
    4,288.22x = 11,723,785.92
  5. Step 5: Solve for x
    x = 11,723,785.92/4,288.22
  6. Step 6: Final answer
    x = 2,733.95

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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.