Home / 8,252.64-12,382.56-3,869.70

Finding the Fourth Proportional to 8,252.64, 12,382.56 and 3,869.70

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Solution

The fourth proportional to 8,252.64, 12,382.56 and 3,869.70 is: 5,806.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,252.64 : 12,382.56 = 3,869.70 : x
  2. Step 2: Convert to fraction form
    8,252.64/12,382.56 = 3,869.70/x
  3. Step 3: Cross multiply
    8,252.64x = 12,382.56 × 3,869.70
  4. Step 4: Simplify right side
    8,252.64x = 47,916,792.43
  5. Step 5: Solve for x
    x = 47,916,792.43/8,252.64
  6. Step 6: Final answer
    x = 5,806.24

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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.