Home / 5,356.37-7,391.81-2,998.95

Finding the Fourth Proportional to 5,356.37, 7,391.81 and 2,998.95

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Solution

The fourth proportional to 5,356.37, 7,391.81 and 2,998.95 is: 4,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.37 : 7,391.81 = 2,998.95 : x
  2. Step 2: Convert to fraction form
    5,356.37/7,391.81 = 2,998.95/x
  3. Step 3: Cross multiply
    5,356.37x = 7,391.81 × 2,998.95
  4. Step 4: Simplify right side
    5,356.37x = 22,167,653.60
  5. Step 5: Solve for x
    x = 22,167,653.60/5,356.37
  6. Step 6: Final answer
    x = 4,138.56

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Why These Related Problems?

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