Home / 7,751.08-11,626.66-1,907.65

Finding the Fourth Proportional to 7,751.08, 11,626.66 and 1,907.65

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Solution

The fourth proportional to 7,751.08, 11,626.66 and 1,907.65 is: 2,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.08 : 11,626.66 = 1,907.65 : x
  2. Step 2: Convert to fraction form
    7,751.08/11,626.66 = 1,907.65/x
  3. Step 3: Cross multiply
    7,751.08x = 11,626.66 × 1,907.65
  4. Step 4: Simplify right side
    7,751.08x = 22,179,571.27
  5. Step 5: Solve for x
    x = 22,179,571.27/7,751.08
  6. Step 6: Final answer
    x = 2,861.48

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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.