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Finding the Fourth Proportional to 5,780.60, 7,975.08 and 3,792.26

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Solution

The fourth proportional to 5,780.60, 7,975.08 and 3,792.26 is: 5,231.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.60 : 7,975.08 = 3,792.26 : x
  2. Step 2: Convert to fraction form
    5,780.60/7,975.08 = 3,792.26/x
  3. Step 3: Cross multiply
    5,780.60x = 7,975.08 × 3,792.26
  4. Step 4: Simplify right side
    5,780.60x = 30,243,576.88
  5. Step 5: Solve for x
    x = 30,243,576.88/5,780.60
  6. Step 6: Final answer
    x = 5,231.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.