Home / 4,540.80-6,811.92-2,076.48

Finding the Fourth Proportional to 4,540.80, 6,811.92 and 2,076.48

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Solution

The fourth proportional to 4,540.80, 6,811.92 and 2,076.48 is: 3,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.80 : 6,811.92 = 2,076.48 : x
  2. Step 2: Convert to fraction form
    4,540.80/6,811.92 = 2,076.48/x
  3. Step 3: Cross multiply
    4,540.80x = 6,811.92 × 2,076.48
  4. Step 4: Simplify right side
    4,540.80x = 14,144,815.64
  5. Step 5: Solve for x
    x = 14,144,815.64/4,540.80
  6. Step 6: Final answer
    x = 3,115.05

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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.