Home / 8,137.14-11,229.36-4,780.02

Finding the Fourth Proportional to 8,137.14, 11,229.36 and 4,780.02

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Solution

The fourth proportional to 8,137.14, 11,229.36 and 4,780.02 is: 6,596.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,137.14 : 11,229.36 = 4,780.02 : x
  2. Step 2: Convert to fraction form
    8,137.14/11,229.36 = 4,780.02/x
  3. Step 3: Cross multiply
    8,137.14x = 11,229.36 × 4,780.02
  4. Step 4: Simplify right side
    8,137.14x = 53,676,571.43
  5. Step 5: Solve for x
    x = 53,676,571.43/8,137.14
  6. Step 6: Final answer
    x = 6,596.49

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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.