Home / 4,461.39-6,692.14-2,121.64

Finding the Fourth Proportional to 4,461.39, 6,692.14 and 2,121.64

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Solution

The fourth proportional to 4,461.39, 6,692.14 and 2,121.64 is: 3,182.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,461.39 : 6,692.14 = 2,121.64 : x
  2. Step 2: Convert to fraction form
    4,461.39/6,692.14 = 2,121.64/x
  3. Step 3: Cross multiply
    4,461.39x = 6,692.14 × 2,121.64
  4. Step 4: Simplify right side
    4,461.39x = 14,198,311.91
  5. Step 5: Solve for x
    x = 14,198,311.91/4,461.39
  6. Step 6: Final answer
    x = 3,182.49

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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.