Home / 5,681.22-8,523.84-2,171.48

Finding the Fourth Proportional to 5,681.22, 8,523.84 and 2,171.48

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Solution

The fourth proportional to 5,681.22, 8,523.84 and 2,171.48 is: 3,257.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,681.22 : 8,523.84 = 2,171.48 : x
  2. Step 2: Convert to fraction form
    5,681.22/8,523.84 = 2,171.48/x
  3. Step 3: Cross multiply
    5,681.22x = 8,523.84 × 2,171.48
  4. Step 4: Simplify right side
    5,681.22x = 18,509,348.08
  5. Step 5: Solve for x
    x = 18,509,348.08/5,681.22
  6. Step 6: Final answer
    x = 3,257.99

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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.