Home / 5,821.37-8,729.38-1,871.90

Finding the Fourth Proportional to 5,821.37, 8,729.38 and 1,871.90

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Solution

The fourth proportional to 5,821.37, 8,729.38 and 1,871.90 is: 2,806.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.37 : 8,729.38 = 1,871.90 : x
  2. Step 2: Convert to fraction form
    5,821.37/8,729.38 = 1,871.90/x
  3. Step 3: Cross multiply
    5,821.37x = 8,729.38 × 1,871.90
  4. Step 4: Simplify right side
    5,821.37x = 16,340,545.03
  5. Step 5: Solve for x
    x = 16,340,545.03/5,821.37
  6. Step 6: Final answer
    x = 2,806.99

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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.