Home / 5,226.18-7,212.34-2,868.28

Finding the Fourth Proportional to 5,226.18, 7,212.34 and 2,868.28

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Solution

The fourth proportional to 5,226.18, 7,212.34 and 2,868.28 is: 3,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.18 : 7,212.34 = 2,868.28 : x
  2. Step 2: Convert to fraction form
    5,226.18/7,212.34 = 2,868.28/x
  3. Step 3: Cross multiply
    5,226.18x = 7,212.34 × 2,868.28
  4. Step 4: Simplify right side
    5,226.18x = 20,687,010.58
  5. Step 5: Solve for x
    x = 20,687,010.58/5,226.18
  6. Step 6: Final answer
    x = 3,958.34

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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.