Home / 5,404.14-8,106.99-1,942.20

Finding the Fourth Proportional to 5,404.14, 8,106.99 and 1,942.20

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Solution

The fourth proportional to 5,404.14, 8,106.99 and 1,942.20 is: 2,913.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,404.14 : 8,106.99 = 1,942.20 : x
  2. Step 2: Convert to fraction form
    5,404.14/8,106.99 = 1,942.20/x
  3. Step 3: Cross multiply
    5,404.14x = 8,106.99 × 1,942.20
  4. Step 4: Simplify right side
    5,404.14x = 15,745,395.98
  5. Step 5: Solve for x
    x = 15,745,395.98/5,404.14
  6. Step 6: Final answer
    x = 2,913.58

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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.