Home / 4,080.15-6,120.26-2,136.15

Finding the Fourth Proportional to 4,080.15, 6,120.26 and 2,136.15

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Solution

The fourth proportional to 4,080.15, 6,120.26 and 2,136.15 is: 3,204.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.15 : 6,120.26 = 2,136.15 : x
  2. Step 2: Convert to fraction form
    4,080.15/6,120.26 = 2,136.15/x
  3. Step 3: Cross multiply
    4,080.15x = 6,120.26 × 2,136.15
  4. Step 4: Simplify right side
    4,080.15x = 13,073,793.40
  5. Step 5: Solve for x
    x = 13,073,793.40/4,080.15
  6. Step 6: Final answer
    x = 3,204.24

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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.