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Finding the Fourth Proportional to 8,634.84, 12,950.33 and 3,369.98

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Solution

The fourth proportional to 8,634.84, 12,950.33 and 3,369.98 is: 5,054.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,634.84 : 12,950.33 = 3,369.98 : x
  2. Step 2: Convert to fraction form
    8,634.84/12,950.33 = 3,369.98/x
  3. Step 3: Cross multiply
    8,634.84x = 12,950.33 × 3,369.98
  4. Step 4: Simplify right side
    8,634.84x = 43,642,271.49
  5. Step 5: Solve for x
    x = 43,642,271.49/8,634.84
  6. Step 6: Final answer
    x = 5,054.21

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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.