Home / 4,003.78-6,000.20-2,540.31

Finding the Fourth Proportional to 4,003.78, 6,000.20 and 2,540.31

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Solution

The fourth proportional to 4,003.78, 6,000.20 and 2,540.31 is: 3,806.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.78 : 6,000.20 = 2,540.31 : x
  2. Step 2: Convert to fraction form
    4,003.78/6,000.20 = 2,540.31/x
  3. Step 3: Cross multiply
    4,003.78x = 6,000.20 × 2,540.31
  4. Step 4: Simplify right side
    4,003.78x = 15,242,338.06
  5. Step 5: Solve for x
    x = 15,242,338.06/4,003.78
  6. Step 6: Final answer
    x = 3,806.99

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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.