Home / 5,328.47-7,991.80-2,406.09

Finding the Fourth Proportional to 5,328.47, 7,991.80 and 2,406.09

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Solution

The fourth proportional to 5,328.47, 7,991.80 and 2,406.09 is: 3,608.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.47 : 7,991.80 = 2,406.09 : x
  2. Step 2: Convert to fraction form
    5,328.47/7,991.80 = 2,406.09/x
  3. Step 3: Cross multiply
    5,328.47x = 7,991.80 × 2,406.09
  4. Step 4: Simplify right side
    5,328.47x = 19,228,990.06
  5. Step 5: Solve for x
    x = 19,228,990.06/5,328.47
  6. Step 6: Final answer
    x = 3,608.73

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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.