Home / 5,911.46-8,157.81-3,222.68

Finding the Fourth Proportional to 5,911.46, 8,157.81 and 3,222.68

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Solution

The fourth proportional to 5,911.46, 8,157.81 and 3,222.68 is: 4,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.46 : 8,157.81 = 3,222.68 : x
  2. Step 2: Convert to fraction form
    5,911.46/8,157.81 = 3,222.68/x
  3. Step 3: Cross multiply
    5,911.46x = 8,157.81 × 3,222.68
  4. Step 4: Simplify right side
    5,911.46x = 26,290,031.53
  5. Step 5: Solve for x
    x = 26,290,031.53/5,911.46
  6. Step 6: Final answer
    x = 4,447.30

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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.