Home / 8,178.50-11,286.34-4,452.50

Finding the Fourth Proportional to 8,178.50, 11,286.34 and 4,452.50

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Solution

The fourth proportional to 8,178.50, 11,286.34 and 4,452.50 is: 6,144.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.50 : 11,286.34 = 4,452.50 : x
  2. Step 2: Convert to fraction form
    8,178.50/11,286.34 = 4,452.50/x
  3. Step 3: Cross multiply
    8,178.50x = 11,286.34 × 4,452.50
  4. Step 4: Simplify right side
    8,178.50x = 50,252,428.85
  5. Step 5: Solve for x
    x = 50,252,428.85/8,178.50
  6. Step 6: Final answer
    x = 6,144.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.