Home / 4,540.90-6,811.35-4,080.10

Finding the Fourth Proportional to 4,540.90, 6,811.35 and 4,080.10

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Solution

The fourth proportional to 4,540.90, 6,811.35 and 4,080.10 is: 6,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.90 : 6,811.35 = 4,080.10 : x
  2. Step 2: Convert to fraction form
    4,540.90/6,811.35 = 4,080.10/x
  3. Step 3: Cross multiply
    4,540.90x = 6,811.35 × 4,080.10
  4. Step 4: Simplify right side
    4,540.90x = 27,790,989.14
  5. Step 5: Solve for x
    x = 27,790,989.14/4,540.90
  6. Step 6: Final answer
    x = 6,120.15

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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.