Home / 4,005.20-5,999.84-3,135.44

Finding the Fourth Proportional to 4,005.20, 5,999.84 and 3,135.44

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Solution

The fourth proportional to 4,005.20, 5,999.84 and 3,135.44 is: 4,696.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,005.20 : 5,999.84 = 3,135.44 : x
  2. Step 2: Convert to fraction form
    4,005.20/5,999.84 = 3,135.44/x
  3. Step 3: Cross multiply
    4,005.20x = 5,999.84 × 3,135.44
  4. Step 4: Simplify right side
    4,005.20x = 18,812,138.33
  5. Step 5: Solve for x
    x = 18,812,138.33/4,005.20
  6. Step 6: Final answer
    x = 4,696.93

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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.