Home / 4,461.18-6,692.22-2,120.78

Finding the Fourth Proportional to 4,461.18, 6,692.22 and 2,120.78

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Solution

The fourth proportional to 4,461.18, 6,692.22 and 2,120.78 is: 3,181.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,461.18 : 6,692.22 = 2,120.78 : x
  2. Step 2: Convert to fraction form
    4,461.18/6,692.22 = 2,120.78/x
  3. Step 3: Cross multiply
    4,461.18x = 6,692.22 × 2,120.78
  4. Step 4: Simplify right side
    4,461.18x = 14,192,743.06
  5. Step 5: Solve for x
    x = 14,192,743.06/4,461.18
  6. Step 6: Final answer
    x = 3,181.39

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1.5x scale

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.