Home / 4,020.80-6,027.36-1,830.56

Finding the Fourth Proportional to 4,020.80, 6,027.36 and 1,830.56

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Solution

The fourth proportional to 4,020.80, 6,027.36 and 1,830.56 is: 2,744.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.80 : 6,027.36 = 1,830.56 : x
  2. Step 2: Convert to fraction form
    4,020.80/6,027.36 = 1,830.56/x
  3. Step 3: Cross multiply
    4,020.80x = 6,027.36 × 1,830.56
  4. Step 4: Simplify right side
    4,020.80x = 11,033,444.12
  5. Step 5: Solve for x
    x = 11,033,444.12/4,020.80
  6. Step 6: Final answer
    x = 2,744.09

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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.