Home / 9,441.45-14,151.78-3,891.75

Finding the Fourth Proportional to 9,441.45, 14,151.78 and 3,891.75

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Solution

The fourth proportional to 9,441.45, 14,151.78 and 3,891.75 is: 5,833.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,441.45 : 14,151.78 = 3,891.75 : x
  2. Step 2: Convert to fraction form
    9,441.45/14,151.78 = 3,891.75/x
  3. Step 3: Cross multiply
    9,441.45x = 14,151.78 × 3,891.75
  4. Step 4: Simplify right side
    9,441.45x = 55,075,189.82
  5. Step 5: Solve for x
    x = 55,075,189.82/9,441.45
  6. Step 6: Final answer
    x = 5,833.34

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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.