Home / 5,911.26-8,157.78-3,258.78

Finding the Fourth Proportional to 5,911.26, 8,157.78 and 3,258.78

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Solution

The fourth proportional to 5,911.26, 8,157.78 and 3,258.78 is: 4,497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,911.26 : 8,157.78 = 3,258.78 : x
  2. Step 2: Convert to fraction form
    5,911.26/8,157.78 = 3,258.78/x
  3. Step 3: Cross multiply
    5,911.26x = 8,157.78 × 3,258.78
  4. Step 4: Simplify right side
    5,911.26x = 26,584,410.31
  5. Step 5: Solve for x
    x = 26,584,410.31/5,911.26
  6. Step 6: Final answer
    x = 4,497.25

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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.