Home / 4,105.20-6,156.30-1,332.60

Finding the Fourth Proportional to 4,105.20, 6,156.30 and 1,332.60

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Solution

The fourth proportional to 4,105.20, 6,156.30 and 1,332.60 is: 1,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.20 : 6,156.30 = 1,332.60 : x
  2. Step 2: Convert to fraction form
    4,105.20/6,156.30 = 1,332.60/x
  3. Step 3: Cross multiply
    4,105.20x = 6,156.30 × 1,332.60
  4. Step 4: Simplify right side
    4,105.20x = 8,203,885.38
  5. Step 5: Solve for x
    x = 8,203,885.38/4,105.20
  6. Step 6: Final answer
    x = 1,998.41

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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.