Home / 5,142.42-7,099.70-3,350.52

Finding the Fourth Proportional to 5,142.42, 7,099.70 and 3,350.52

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Solution

The fourth proportional to 5,142.42, 7,099.70 and 3,350.52 is: 4,625.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.42 : 7,099.70 = 3,350.52 : x
  2. Step 2: Convert to fraction form
    5,142.42/7,099.70 = 3,350.52/x
  3. Step 3: Cross multiply
    5,142.42x = 7,099.70 × 3,350.52
  4. Step 4: Simplify right side
    5,142.42x = 23,787,670.09
  5. Step 5: Solve for x
    x = 23,787,670.09/5,142.42
  6. Step 6: Final answer
    x = 4,625.77

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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.