Home / 6,418.82-9,628.57-2,036.61

Finding the Fourth Proportional to 6,418.82, 9,628.57 and 2,036.61

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Solution

The fourth proportional to 6,418.82, 9,628.57 and 2,036.61 is: 3,055.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.82 : 9,628.57 = 2,036.61 : x
  2. Step 2: Convert to fraction form
    6,418.82/9,628.57 = 2,036.61/x
  3. Step 3: Cross multiply
    6,418.82x = 9,628.57 × 2,036.61
  4. Step 4: Simplify right side
    6,418.82x = 19,609,641.95
  5. Step 5: Solve for x
    x = 19,609,641.95/6,418.82
  6. Step 6: Final answer
    x = 3,055.02

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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.