Home / 5,416.21-8,123.14-3,163.23

Finding the Fourth Proportional to 5,416.21, 8,123.14 and 3,163.23

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Solution

The fourth proportional to 5,416.21, 8,123.14 and 3,163.23 is: 4,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.21 : 8,123.14 = 3,163.23 : x
  2. Step 2: Convert to fraction form
    5,416.21/8,123.14 = 3,163.23/x
  3. Step 3: Cross multiply
    5,416.21x = 8,123.14 × 3,163.23
  4. Step 4: Simplify right side
    5,416.21x = 25,695,344.33
  5. Step 5: Solve for x
    x = 25,695,344.33/5,416.21
  6. Step 6: Final answer
    x = 4,744.16

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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.