Home / 4,461.60-6,692.19-2,119.89

Finding the Fourth Proportional to 4,461.60, 6,692.19 and 2,119.89

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Solution

The fourth proportional to 4,461.60, 6,692.19 and 2,119.89 is: 3,179.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,461.60 : 6,692.19 = 2,119.89 : x
  2. Step 2: Convert to fraction form
    4,461.60/6,692.19 = 2,119.89/x
  3. Step 3: Cross multiply
    4,461.60x = 6,692.19 × 2,119.89
  4. Step 4: Simplify right side
    4,461.60x = 14,186,706.66
  5. Step 5: Solve for x
    x = 14,186,706.66/4,461.60
  6. Step 6: Final answer
    x = 3,179.74

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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.