Home / 8,409.60-12,616.32-2,863.04

Finding the Fourth Proportional to 8,409.60, 12,616.32 and 2,863.04

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Solution

The fourth proportional to 8,409.60, 12,616.32 and 2,863.04 is: 4,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.60 : 12,616.32 = 2,863.04 : x
  2. Step 2: Convert to fraction form
    8,409.60/12,616.32 = 2,863.04/x
  3. Step 3: Cross multiply
    8,409.60x = 12,616.32 × 2,863.04
  4. Step 4: Simplify right side
    8,409.60x = 36,121,028.81
  5. Step 5: Solve for x
    x = 36,121,028.81/8,409.60
  6. Step 6: Final answer
    x = 4,295.21

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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.