Home / 5,351.32-8,028.54-2,431.96

Finding the Fourth Proportional to 5,351.32, 8,028.54 and 2,431.96

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Solution

The fourth proportional to 5,351.32, 8,028.54 and 2,431.96 is: 3,648.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.32 : 8,028.54 = 2,431.96 : x
  2. Step 2: Convert to fraction form
    5,351.32/8,028.54 = 2,431.96/x
  3. Step 3: Cross multiply
    5,351.32x = 8,028.54 × 2,431.96
  4. Step 4: Simplify right side
    5,351.32x = 19,525,088.14
  5. Step 5: Solve for x
    x = 19,525,088.14/5,351.32
  6. Step 6: Final answer
    x = 3,648.65

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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.