Home / 5,383.71-8,078.70-2,263.49

Finding the Fourth Proportional to 5,383.71, 8,078.70 and 2,263.49

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Solution

The fourth proportional to 5,383.71, 8,078.70 and 2,263.49 is: 3,396.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383.71 : 8,078.70 = 2,263.49 : x
  2. Step 2: Convert to fraction form
    5,383.71/8,078.70 = 2,263.49/x
  3. Step 3: Cross multiply
    5,383.71x = 8,078.70 × 2,263.49
  4. Step 4: Simplify right side
    5,383.71x = 18,286,056.66
  5. Step 5: Solve for x
    x = 18,286,056.66/5,383.71
  6. Step 6: Final answer
    x = 3,396.55

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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.