Home / 4,039.80-6,087.20-3,325.40

Finding the Fourth Proportional to 4,039.80, 6,087.20 and 3,325.40

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Solution

The fourth proportional to 4,039.80, 6,087.20 and 3,325.40 is: 5,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,039.80 : 6,087.20 = 3,325.40 : x
  2. Step 2: Convert to fraction form
    4,039.80/6,087.20 = 3,325.40/x
  3. Step 3: Cross multiply
    4,039.80x = 6,087.20 × 3,325.40
  4. Step 4: Simplify right side
    4,039.80x = 20,242,374.88
  5. Step 5: Solve for x
    x = 20,242,374.88/4,039.80
  6. Step 6: Final answer
    x = 5,010.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.