Home / 8,383.20-12,569.64-2,836.02

Finding the Fourth Proportional to 8,383.20, 12,569.64 and 2,836.02

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Solution

The fourth proportional to 8,383.20, 12,569.64 and 2,836.02 is: 4,252.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.20 : 12,569.64 = 2,836.02 : x
  2. Step 2: Convert to fraction form
    8,383.20/12,569.64 = 2,836.02/x
  3. Step 3: Cross multiply
    8,383.20x = 12,569.64 × 2,836.02
  4. Step 4: Simplify right side
    8,383.20x = 35,647,750.43
  5. Step 5: Solve for x
    x = 35,647,750.43/8,383.20
  6. Step 6: Final answer
    x = 4,252.28

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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.