Home / 4,087.80-6,126.04-2,136.12

Finding the Fourth Proportional to 4,087.80, 6,126.04 and 2,136.12

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Solution

The fourth proportional to 4,087.80, 6,126.04 and 2,136.12 is: 3,201.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.80 : 6,126.04 = 2,136.12 : x
  2. Step 2: Convert to fraction form
    4,087.80/6,126.04 = 2,136.12/x
  3. Step 3: Cross multiply
    4,087.80x = 6,126.04 × 2,136.12
  4. Step 4: Simplify right side
    4,087.80x = 13,085,956.56
  5. Step 5: Solve for x
    x = 13,085,956.56/4,087.80
  6. Step 6: Final answer
    x = 3,201.22

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1.5x scale

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.