Home / 6,069.81-9,106.91-2,121.65

Finding the Fourth Proportional to 6,069.81, 9,106.91 and 2,121.65

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Solution

The fourth proportional to 6,069.81, 9,106.91 and 2,121.65 is: 3,183.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,069.81 : 9,106.91 = 2,121.65 : x
  2. Step 2: Convert to fraction form
    6,069.81/9,106.91 = 2,121.65/x
  3. Step 3: Cross multiply
    6,069.81x = 9,106.91 × 2,121.65
  4. Step 4: Simplify right side
    6,069.81x = 19,321,675.60
  5. Step 5: Solve for x
    x = 19,321,675.60/6,069.81
  6. Step 6: Final answer
    x = 3,183.24

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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.