Home / 4,258.05-6,388.03-1,296.75

Finding the Fourth Proportional to 4,258.05, 6,388.03 and 1,296.75

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Solution

The fourth proportional to 4,258.05, 6,388.03 and 1,296.75 is: 1,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.05 : 6,388.03 = 1,296.75 : x
  2. Step 2: Convert to fraction form
    4,258.05/6,388.03 = 1,296.75/x
  3. Step 3: Cross multiply
    4,258.05x = 6,388.03 × 1,296.75
  4. Step 4: Simplify right side
    4,258.05x = 8,283,690.63
  5. Step 5: Solve for x
    x = 8,283,690.63/4,258.05
  6. Step 6: Final answer
    x = 1,945.42

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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.