Home / 4,155.09-6,227.20-1,687.02

Finding the Fourth Proportional to 4,155.09, 6,227.20 and 1,687.02

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Solution

The fourth proportional to 4,155.09, 6,227.20 and 1,687.02 is: 2,528.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.09 : 6,227.20 = 1,687.02 : x
  2. Step 2: Convert to fraction form
    4,155.09/6,227.20 = 1,687.02/x
  3. Step 3: Cross multiply
    4,155.09x = 6,227.20 × 1,687.02
  4. Step 4: Simplify right side
    4,155.09x = 10,505,410.94
  5. Step 5: Solve for x
    x = 10,505,410.94/4,155.09
  6. Step 6: Final answer
    x = 2,528.32

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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.