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Finding the Fourth Proportional to 8,400.22, 12,603.06 and 4,018

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Solution

The fourth proportional to 8,400.22, 12,603.06 and 4,018 is: 6,028.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,400.22 : 12,603.06 = 4,018 : x
  2. Step 2: Convert to fraction form
    8,400.22/12,603.06 = 4,018/x
  3. Step 3: Cross multiply
    8,400.22x = 12,603.06 × 4,018
  4. Step 4: Simplify right side
    8,400.22x = 50,639,095.08
  5. Step 5: Solve for x
    x = 50,639,095.08/8,400.22
  6. Step 6: Final answer
    x = 6,028.31

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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.