Home / 4,839.26-7,258.92-1,917.56

Finding the Fourth Proportional to 4,839.26, 7,258.92 and 1,917.56

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Solution

The fourth proportional to 4,839.26, 7,258.92 and 1,917.56 is: 2,876.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.26 : 7,258.92 = 1,917.56 : x
  2. Step 2: Convert to fraction form
    4,839.26/7,258.92 = 1,917.56/x
  3. Step 3: Cross multiply
    4,839.26x = 7,258.92 × 1,917.56
  4. Step 4: Simplify right side
    4,839.26x = 13,919,414.64
  5. Step 5: Solve for x
    x = 13,919,414.64/4,839.26
  6. Step 6: Final answer
    x = 2,876.35

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1.5x scale

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.