Home / 8,783.28-13,167.40-3,849.12

Finding the Fourth Proportional to 8,783.28, 13,167.40 and 3,849.12

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Solution

The fourth proportional to 8,783.28, 13,167.40 and 3,849.12 is: 5,770.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.28 : 13,167.40 = 3,849.12 : x
  2. Step 2: Convert to fraction form
    8,783.28/13,167.40 = 3,849.12/x
  3. Step 3: Cross multiply
    8,783.28x = 13,167.40 × 3,849.12
  4. Step 4: Simplify right side
    8,783.28x = 50,682,902.69
  5. Step 5: Solve for x
    x = 50,682,902.69/8,783.28
  6. Step 6: Final answer
    x = 5,770.38

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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.