Home / 4,095.20-6,135.60-3,360.80

Finding the Fourth Proportional to 4,095.20, 6,135.60 and 3,360.80

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Solution

The fourth proportional to 4,095.20, 6,135.60 and 3,360.80 is: 5,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,095.20 : 6,135.60 = 3,360.80 : x
  2. Step 2: Convert to fraction form
    4,095.20/6,135.60 = 3,360.80/x
  3. Step 3: Cross multiply
    4,095.20x = 6,135.60 × 3,360.80
  4. Step 4: Simplify right side
    4,095.20x = 20,620,524.48
  5. Step 5: Solve for x
    x = 20,620,524.48/4,095.20
  6. Step 6: Final answer
    x = 5,035.29

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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.