Home / 8,303.06-12,447.79-3,863.49

Finding the Fourth Proportional to 8,303.06, 12,447.79 and 3,863.49

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Solution

The fourth proportional to 8,303.06, 12,447.79 and 3,863.49 is: 5,792.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.06 : 12,447.79 = 3,863.49 : x
  2. Step 2: Convert to fraction form
    8,303.06/12,447.79 = 3,863.49/x
  3. Step 3: Cross multiply
    8,303.06x = 12,447.79 × 3,863.49
  4. Step 4: Simplify right side
    8,303.06x = 48,091,912.19
  5. Step 5: Solve for x
    x = 48,091,912.19/8,303.06
  6. Step 6: Final answer
    x = 5,792.07

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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.