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Finding the Fourth Proportional to 8,722.83, 13,085.37 and 3,175.32

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Solution

The fourth proportional to 8,722.83, 13,085.37 and 3,175.32 is: 4,763.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,722.83 : 13,085.37 = 3,175.32 : x
  2. Step 2: Convert to fraction form
    8,722.83/13,085.37 = 3,175.32/x
  3. Step 3: Cross multiply
    8,722.83x = 13,085.37 × 3,175.32
  4. Step 4: Simplify right side
    8,722.83x = 41,550,237.07
  5. Step 5: Solve for x
    x = 41,550,237.07/8,722.83
  6. Step 6: Final answer
    x = 4,763.39

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.