Home / 8,684.10-13,028.94-2,839.38

Finding the Fourth Proportional to 8,684.10, 13,028.94 and 2,839.38

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Solution

The fourth proportional to 8,684.10, 13,028.94 and 2,839.38 is: 4,259.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.10 : 13,028.94 = 2,839.38 : x
  2. Step 2: Convert to fraction form
    8,684.10/13,028.94 = 2,839.38/x
  3. Step 3: Cross multiply
    8,684.10x = 13,028.94 × 2,839.38
  4. Step 4: Simplify right side
    8,684.10x = 36,994,111.66
  5. Step 5: Solve for x
    x = 36,994,111.66/8,684.10
  6. Step 6: Final answer
    x = 4,259.98

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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.