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Finding the Fourth Proportional to 6,834.98, 9,432.55 and 3,850.94

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Solution

The fourth proportional to 6,834.98, 9,432.55 and 3,850.94 is: 5,314.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,834.98 : 9,432.55 = 3,850.94 : x
  2. Step 2: Convert to fraction form
    6,834.98/9,432.55 = 3,850.94/x
  3. Step 3: Cross multiply
    6,834.98x = 9,432.55 × 3,850.94
  4. Step 4: Simplify right side
    6,834.98x = 36,324,212.49
  5. Step 5: Solve for x
    x = 36,324,212.49/6,834.98
  6. Step 6: Final answer
    x = 5,314.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.