Home / 5,356.12-7,390.92-2,998.48

Finding the Fourth Proportional to 5,356.12, 7,390.92 and 2,998.48

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Solution

The fourth proportional to 5,356.12, 7,390.92 and 2,998.48 is: 4,137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.12 : 7,390.92 = 2,998.48 : x
  2. Step 2: Convert to fraction form
    5,356.12/7,390.92 = 2,998.48/x
  3. Step 3: Cross multiply
    5,356.12x = 7,390.92 × 2,998.48
  4. Step 4: Simplify right side
    5,356.12x = 22,161,525.80
  5. Step 5: Solve for x
    x = 22,161,525.80/5,356.12
  6. Step 6: Final answer
    x = 4,137.61

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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.