Home / 7,568.20-11,356.76-3,185.32

Finding the Fourth Proportional to 7,568.20, 11,356.76 and 3,185.32

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Solution

The fourth proportional to 7,568.20, 11,356.76 and 3,185.32 is: 4,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,568.20 : 11,356.76 = 3,185.32 : x
  2. Step 2: Convert to fraction form
    7,568.20/11,356.76 = 3,185.32/x
  3. Step 3: Cross multiply
    7,568.20x = 11,356.76 × 3,185.32
  4. Step 4: Simplify right side
    7,568.20x = 36,174,914.76
  5. Step 5: Solve for x
    x = 36,174,914.76/7,568.20
  6. Step 6: Final answer
    x = 4,779.86

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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.