Home / 8,064.20-12,086.70-3,384.20

Finding the Fourth Proportional to 8,064.20, 12,086.70 and 3,384.20

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Solution

The fourth proportional to 8,064.20, 12,086.70 and 3,384.20 is: 5,072.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.20 : 12,086.70 = 3,384.20 : x
  2. Step 2: Convert to fraction form
    8,064.20/12,086.70 = 3,384.20/x
  3. Step 3: Cross multiply
    8,064.20x = 12,086.70 × 3,384.20
  4. Step 4: Simplify right side
    8,064.20x = 40,903,810.14
  5. Step 5: Solve for x
    x = 40,903,810.14/8,064.20
  6. Step 6: Final answer
    x = 5,072.27

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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.