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Finding the Fourth Proportional to 8,603.01, 12,906.35 and 2,763.72

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Solution

The fourth proportional to 8,603.01, 12,906.35 and 2,763.72 is: 4,146.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,603.01 : 12,906.35 = 2,763.72 : x
  2. Step 2: Convert to fraction form
    8,603.01/12,906.35 = 2,763.72/x
  3. Step 3: Cross multiply
    8,603.01x = 12,906.35 × 2,763.72
  4. Step 4: Simplify right side
    8,603.01x = 35,669,523.80
  5. Step 5: Solve for x
    x = 35,669,523.80/8,603.01
  6. Step 6: Final answer
    x = 4,146.17

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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.