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Finding the Fourth Proportional to 6,408.83, 9,605.70 and 2,894.73

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Solution

The fourth proportional to 6,408.83, 9,605.70 and 2,894.73 is: 4,338.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408.83 : 9,605.70 = 2,894.73 : x
  2. Step 2: Convert to fraction form
    6,408.83/9,605.70 = 2,894.73/x
  3. Step 3: Cross multiply
    6,408.83x = 9,605.70 × 2,894.73
  4. Step 4: Simplify right side
    6,408.83x = 27,805,907.96
  5. Step 5: Solve for x
    x = 27,805,907.96/6,408.83
  6. Step 6: Final answer
    x = 4,338.69

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1.5x scale

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.