Home / 4,639.26-6,961.62-1,719.60

Finding the Fourth Proportional to 4,639.26, 6,961.62 and 1,719.60

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Solution

The fourth proportional to 4,639.26, 6,961.62 and 1,719.60 is: 2,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.26 : 6,961.62 = 1,719.60 : x
  2. Step 2: Convert to fraction form
    4,639.26/6,961.62 = 1,719.60/x
  3. Step 3: Cross multiply
    4,639.26x = 6,961.62 × 1,719.60
  4. Step 4: Simplify right side
    4,639.26x = 11,971,201.75
  5. Step 5: Solve for x
    x = 11,971,201.75/4,639.26
  6. Step 6: Final answer
    x = 2,580.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.