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Finding the Fourth Proportional to 8,352.54, 12,531.57 and 3,969.54

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Solution

The fourth proportional to 8,352.54, 12,531.57 and 3,969.54 is: 5,955.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.54 : 12,531.57 = 3,969.54 : x
  2. Step 2: Convert to fraction form
    8,352.54/12,531.57 = 3,969.54/x
  3. Step 3: Cross multiply
    8,352.54x = 12,531.57 × 3,969.54
  4. Step 4: Simplify right side
    8,352.54x = 49,744,568.38
  5. Step 5: Solve for x
    x = 49,744,568.38/8,352.54
  6. Step 6: Final answer
    x = 5,955.62

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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.