Home / 8,447.22-12,670.97-2,603.81

Finding the Fourth Proportional to 8,447.22, 12,670.97 and 2,603.81

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Solution

The fourth proportional to 8,447.22, 12,670.97 and 2,603.81 is: 3,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.22 : 12,670.97 = 2,603.81 : x
  2. Step 2: Convert to fraction form
    8,447.22/12,670.97 = 2,603.81/x
  3. Step 3: Cross multiply
    8,447.22x = 12,670.97 × 2,603.81
  4. Step 4: Simplify right side
    8,447.22x = 32,992,817.05
  5. Step 5: Solve for x
    x = 32,992,817.05/8,447.22
  6. Step 6: Final answer
    x = 3,905.76

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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.