Home / 4,945.32-6,826.68-3,690.36

Finding the Fourth Proportional to 4,945.32, 6,826.68 and 3,690.36

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Solution

The fourth proportional to 4,945.32, 6,826.68 and 3,690.36 is: 5,094.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.32 : 6,826.68 = 3,690.36 : x
  2. Step 2: Convert to fraction form
    4,945.32/6,826.68 = 3,690.36/x
  3. Step 3: Cross multiply
    4,945.32x = 6,826.68 × 3,690.36
  4. Step 4: Simplify right side
    4,945.32x = 25,192,906.80
  5. Step 5: Solve for x
    x = 25,192,906.80/4,945.32
  6. Step 6: Final answer
    x = 5,094.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.