Home / 5,790.30-7,990.60-3,272.28

Finding the Fourth Proportional to 5,790.30, 7,990.60 and 3,272.28

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Solution

The fourth proportional to 5,790.30, 7,990.60 and 3,272.28 is: 4,515.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.30 : 7,990.60 = 3,272.28 : x
  2. Step 2: Convert to fraction form
    5,790.30/7,990.60 = 3,272.28/x
  3. Step 3: Cross multiply
    5,790.30x = 7,990.60 × 3,272.28
  4. Step 4: Simplify right side
    5,790.30x = 26,147,480.57
  5. Step 5: Solve for x
    x = 26,147,480.57/5,790.30
  6. Step 6: Final answer
    x = 4,515.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.