Home / 4,658.21-6,977.27-2,189.33

Finding the Fourth Proportional to 4,658.21, 6,977.27 and 2,189.33

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Solution

The fourth proportional to 4,658.21, 6,977.27 and 2,189.33 is: 3,279.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,658.21 : 6,977.27 = 2,189.33 : x
  2. Step 2: Convert to fraction form
    4,658.21/6,977.27 = 2,189.33/x
  3. Step 3: Cross multiply
    4,658.21x = 6,977.27 × 2,189.33
  4. Step 4: Simplify right side
    4,658.21x = 15,275,546.53
  5. Step 5: Solve for x
    x = 15,275,546.53/4,658.21
  6. Step 6: Final answer
    x = 3,279.27

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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.