Home / 6,240.36-9,361.70-2,079.96

Finding the Fourth Proportional to 6,240.36, 9,361.70 and 2,079.96

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Solution

The fourth proportional to 6,240.36, 9,361.70 and 2,079.96 is: 3,120.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.36 : 9,361.70 = 2,079.96 : x
  2. Step 2: Convert to fraction form
    6,240.36/9,361.70 = 2,079.96/x
  3. Step 3: Cross multiply
    6,240.36x = 9,361.70 × 2,079.96
  4. Step 4: Simplify right side
    6,240.36x = 19,471,961.53
  5. Step 5: Solve for x
    x = 19,471,961.53/6,240.36
  6. Step 6: Final answer
    x = 3,120.33

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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.