Home / 7,144.24-9,860.26-4,161.85

Finding the Fourth Proportional to 7,144.24, 9,860.26 and 4,161.85

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Solution

The fourth proportional to 7,144.24, 9,860.26 and 4,161.85 is: 5,744.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,144.24 : 9,860.26 = 4,161.85 : x
  2. Step 2: Convert to fraction form
    7,144.24/9,860.26 = 4,161.85/x
  3. Step 3: Cross multiply
    7,144.24x = 9,860.26 × 4,161.85
  4. Step 4: Simplify right side
    7,144.24x = 41,036,923.08
  5. Step 5: Solve for x
    x = 41,036,923.08/7,144.24
  6. Step 6: Final answer
    x = 5,744.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.