Home / 8,208.21-12,303.80-3,822.06

Finding the Fourth Proportional to 8,208.21, 12,303.80 and 3,822.06

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Solution

The fourth proportional to 8,208.21, 12,303.80 and 3,822.06 is: 5,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,208.21 : 12,303.80 = 3,822.06 : x
  2. Step 2: Convert to fraction form
    8,208.21/12,303.80 = 3,822.06/x
  3. Step 3: Cross multiply
    8,208.21x = 12,303.80 × 3,822.06
  4. Step 4: Simplify right side
    8,208.21x = 47,025,861.83
  5. Step 5: Solve for x
    x = 47,025,861.83/8,208.21
  6. Step 6: Final answer
    x = 5,729.13

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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.