Home / 6,278.87-9,419.96-1,896.46

Finding the Fourth Proportional to 6,278.87, 9,419.96 and 1,896.46

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Solution

The fourth proportional to 6,278.87, 9,419.96 and 1,896.46 is: 2,845.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.87 : 9,419.96 = 1,896.46 : x
  2. Step 2: Convert to fraction form
    6,278.87/9,419.96 = 1,896.46/x
  3. Step 3: Cross multiply
    6,278.87x = 9,419.96 × 1,896.46
  4. Step 4: Simplify right side
    6,278.87x = 17,864,558.53
  5. Step 5: Solve for x
    x = 17,864,558.53/6,278.87
  6. Step 6: Final answer
    x = 2,845.19

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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.