Home / 6,830.64-10,245.60-1,900.31

Finding the Fourth Proportional to 6,830.64, 10,245.60 and 1,900.31

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Solution

The fourth proportional to 6,830.64, 10,245.60 and 1,900.31 is: 2,850.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,830.64 : 10,245.60 = 1,900.31 : x
  2. Step 2: Convert to fraction form
    6,830.64/10,245.60 = 1,900.31/x
  3. Step 3: Cross multiply
    6,830.64x = 10,245.60 × 1,900.31
  4. Step 4: Simplify right side
    6,830.64x = 19,469,764.91
  5. Step 5: Solve for x
    x = 19,469,764.91/6,830.64
  6. Step 6: Final answer
    x = 2,850.36

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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.