Home / 7,226.48-10,840.44-1,961.58

Finding the Fourth Proportional to 7,226.48, 10,840.44 and 1,961.58

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Solution

The fourth proportional to 7,226.48, 10,840.44 and 1,961.58 is: 2,942.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226.48 : 10,840.44 = 1,961.58 : x
  2. Step 2: Convert to fraction form
    7,226.48/10,840.44 = 1,961.58/x
  3. Step 3: Cross multiply
    7,226.48x = 10,840.44 × 1,961.58
  4. Step 4: Simplify right side
    7,226.48x = 21,264,336.09
  5. Step 5: Solve for x
    x = 21,264,336.09/7,226.48
  6. Step 6: Final answer
    x = 2,942.56

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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.