Home / 7,922.44-11,883.93-2,990.89

Finding the Fourth Proportional to 7,922.44, 11,883.93 and 2,990.89

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Solution

The fourth proportional to 7,922.44, 11,883.93 and 2,990.89 is: 4,486.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.44 : 11,883.93 = 2,990.89 : x
  2. Step 2: Convert to fraction form
    7,922.44/11,883.93 = 2,990.89/x
  3. Step 3: Cross multiply
    7,922.44x = 11,883.93 × 2,990.89
  4. Step 4: Simplify right side
    7,922.44x = 35,543,527.40
  5. Step 5: Solve for x
    x = 35,543,527.40/7,922.44
  6. Step 6: Final answer
    x = 4,486.44

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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.