Home / 5,236.32-7,226.53-2,998.90

Finding the Fourth Proportional to 5,236.32, 7,226.53 and 2,998.90

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Solution

The fourth proportional to 5,236.32, 7,226.53 and 2,998.90 is: 4,138.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.32 : 7,226.53 = 2,998.90 : x
  2. Step 2: Convert to fraction form
    5,236.32/7,226.53 = 2,998.90/x
  3. Step 3: Cross multiply
    5,236.32x = 7,226.53 × 2,998.90
  4. Step 4: Simplify right side
    5,236.32x = 21,671,604.68
  5. Step 5: Solve for x
    x = 21,671,604.68/5,236.32
  6. Step 6: Final answer
    x = 4,138.71

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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.