Home / 5,443.02-8,163.30-2,666.90

Finding the Fourth Proportional to 5,443.02, 8,163.30 and 2,666.90

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Solution

The fourth proportional to 5,443.02, 8,163.30 and 2,666.90 is: 3,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.02 : 8,163.30 = 2,666.90 : x
  2. Step 2: Convert to fraction form
    5,443.02/8,163.30 = 2,666.90/x
  3. Step 3: Cross multiply
    5,443.02x = 8,163.30 × 2,666.90
  4. Step 4: Simplify right side
    5,443.02x = 21,770,704.77
  5. Step 5: Solve for x
    x = 21,770,704.77/5,443.02
  6. Step 6: Final answer
    x = 3,999.75

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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.