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Finding the Fourth Proportional to 5,343.90, 7,374.54 and 2,986.02

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Solution

The fourth proportional to 5,343.90, 7,374.54 and 2,986.02 is: 4,120.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.90 : 7,374.54 = 2,986.02 : x
  2. Step 2: Convert to fraction form
    5,343.90/7,374.54 = 2,986.02/x
  3. Step 3: Cross multiply
    5,343.90x = 7,374.54 × 2,986.02
  4. Step 4: Simplify right side
    5,343.90x = 22,020,523.93
  5. Step 5: Solve for x
    x = 22,020,523.93/5,343.90
  6. Step 6: Final answer
    x = 4,120.68

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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.