Home / 7,923.30-11,879.55-3,765.30

Finding the Fourth Proportional to 7,923.30, 11,879.55 and 3,765.30

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Solution

The fourth proportional to 7,923.30, 11,879.55 and 3,765.30 is: 5,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.30 : 11,879.55 = 3,765.30 : x
  2. Step 2: Convert to fraction form
    7,923.30/11,879.55 = 3,765.30/x
  3. Step 3: Cross multiply
    7,923.30x = 11,879.55 × 3,765.30
  4. Step 4: Simplify right side
    7,923.30x = 44,730,069.62
  5. Step 5: Solve for x
    x = 44,730,069.62/7,923.30
  6. Step 6: Final answer
    x = 5,645.38

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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.