Home / 6,442.11-9,662.69-2,058.39

Finding the Fourth Proportional to 6,442.11, 9,662.69 and 2,058.39

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Solution

The fourth proportional to 6,442.11, 9,662.69 and 2,058.39 is: 3,087.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.11 : 9,662.69 = 2,058.39 : x
  2. Step 2: Convert to fraction form
    6,442.11/9,662.69 = 2,058.39/x
  3. Step 3: Cross multiply
    6,442.11x = 9,662.69 × 2,058.39
  4. Step 4: Simplify right side
    6,442.11x = 19,889,584.47
  5. Step 5: Solve for x
    x = 19,889,584.47/6,442.11
  6. Step 6: Final answer
    x = 3,087.43

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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.