Home / 6,427.35-9,640.62-2,047.95

Finding the Fourth Proportional to 6,427.35, 9,640.62 and 2,047.95

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Solution

The fourth proportional to 6,427.35, 9,640.62 and 2,047.95 is: 3,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.35 : 9,640.62 = 2,047.95 : x
  2. Step 2: Convert to fraction form
    6,427.35/9,640.62 = 2,047.95/x
  3. Step 3: Cross multiply
    6,427.35x = 9,640.62 × 2,047.95
  4. Step 4: Simplify right side
    6,427.35x = 19,743,507.73
  5. Step 5: Solve for x
    x = 19,743,507.73/6,427.35
  6. Step 6: Final answer
    x = 3,071.80

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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.