Home / 7,845.93-11,768.90-1,922.81

Finding the Fourth Proportional to 7,845.93, 11,768.90 and 1,922.81

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Solution

The fourth proportional to 7,845.93, 11,768.90 and 1,922.81 is: 2,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.93 : 11,768.90 = 1,922.81 : x
  2. Step 2: Convert to fraction form
    7,845.93/11,768.90 = 1,922.81/x
  3. Step 3: Cross multiply
    7,845.93x = 11,768.90 × 1,922.81
  4. Step 4: Simplify right side
    7,845.93x = 22,629,290.15
  5. Step 5: Solve for x
    x = 22,629,290.15/7,845.93
  6. Step 6: Final answer
    x = 2,884.21

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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.