Home / 4,947.36-7,418.68-1,826.56

Finding the Fourth Proportional to 4,947.36, 7,418.68 and 1,826.56

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Solution

The fourth proportional to 4,947.36, 7,418.68 and 1,826.56 is: 2,738.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.36 : 7,418.68 = 1,826.56 : x
  2. Step 2: Convert to fraction form
    4,947.36/7,418.68 = 1,826.56/x
  3. Step 3: Cross multiply
    4,947.36x = 7,418.68 × 1,826.56
  4. Step 4: Simplify right side
    4,947.36x = 13,550,664.14
  5. Step 5: Solve for x
    x = 13,550,664.14/4,947.36
  6. Step 6: Final answer
    x = 2,738.97

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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.