Home / 4,716.96-7,077.60-2,118.48

Finding the Fourth Proportional to 4,716.96, 7,077.60 and 2,118.48

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Solution

The fourth proportional to 4,716.96, 7,077.60 and 2,118.48 is: 3,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,716.96 : 7,077.60 = 2,118.48 : x
  2. Step 2: Convert to fraction form
    4,716.96/7,077.60 = 2,118.48/x
  3. Step 3: Cross multiply
    4,716.96x = 7,077.60 × 2,118.48
  4. Step 4: Simplify right side
    4,716.96x = 14,993,754.05
  5. Step 5: Solve for x
    x = 14,993,754.05/4,716.96
  6. Step 6: Final answer
    x = 3,178.69

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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.