Home / 4,765.14-7,145.19-1,840.50

Finding the Fourth Proportional to 4,765.14, 7,145.19 and 1,840.50

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Solution

The fourth proportional to 4,765.14, 7,145.19 and 1,840.50 is: 2,759.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.14 : 7,145.19 = 1,840.50 : x
  2. Step 2: Convert to fraction form
    4,765.14/7,145.19 = 1,840.50/x
  3. Step 3: Cross multiply
    4,765.14x = 7,145.19 × 1,840.50
  4. Step 4: Simplify right side
    4,765.14x = 13,150,722.20
  5. Step 5: Solve for x
    x = 13,150,722.20/4,765.14
  6. Step 6: Final answer
    x = 2,759.78

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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.