Home / 7,027.89-9,698.02-3,840.54

Finding the Fourth Proportional to 7,027.89, 9,698.02 and 3,840.54

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Solution

The fourth proportional to 7,027.89, 9,698.02 and 3,840.54 is: 5,299.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.89 : 9,698.02 = 3,840.54 : x
  2. Step 2: Convert to fraction form
    7,027.89/9,698.02 = 3,840.54/x
  3. Step 3: Cross multiply
    7,027.89x = 9,698.02 × 3,840.54
  4. Step 4: Simplify right side
    7,027.89x = 37,245,633.73
  5. Step 5: Solve for x
    x = 37,245,633.73/7,027.89
  6. Step 6: Final answer
    x = 5,299.69

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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.