Home / 5,122.44-7,678.80-2,522.34

Finding the Fourth Proportional to 5,122.44, 7,678.80 and 2,522.34

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Solution

The fourth proportional to 5,122.44, 7,678.80 and 2,522.34 is: 3,781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.44 : 7,678.80 = 2,522.34 : x
  2. Step 2: Convert to fraction form
    5,122.44/7,678.80 = 2,522.34/x
  3. Step 3: Cross multiply
    5,122.44x = 7,678.80 × 2,522.34
  4. Step 4: Simplify right side
    5,122.44x = 19,368,544.39
  5. Step 5: Solve for x
    x = 19,368,544.39/5,122.44
  6. Step 6: Final answer
    x = 3,781.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.