Home / 7,441.07-11,161.68-1,894.43

Finding the Fourth Proportional to 7,441.07, 11,161.68 and 1,894.43

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Solution

The fourth proportional to 7,441.07, 11,161.68 and 1,894.43 is: 2,841.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441.07 : 11,161.68 = 1,894.43 : x
  2. Step 2: Convert to fraction form
    7,441.07/11,161.68 = 1,894.43/x
  3. Step 3: Cross multiply
    7,441.07x = 11,161.68 × 1,894.43
  4. Step 4: Simplify right side
    7,441.07x = 21,144,958.53
  5. Step 5: Solve for x
    x = 21,144,958.53/7,441.07
  6. Step 6: Final answer
    x = 2,841.65

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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.