Home / 6,293.09-8,682.39-3,638.62

Finding the Fourth Proportional to 6,293.09, 8,682.39 and 3,638.62

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Solution

The fourth proportional to 6,293.09, 8,682.39 and 3,638.62 is: 5,020.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,293.09 : 8,682.39 = 3,638.62 : x
  2. Step 2: Convert to fraction form
    6,293.09/8,682.39 = 3,638.62/x
  3. Step 3: Cross multiply
    6,293.09x = 8,682.39 × 3,638.62
  4. Step 4: Simplify right side
    6,293.09x = 31,591,928.75
  5. Step 5: Solve for x
    x = 31,591,928.75/6,293.09
  6. Step 6: Final answer
    x = 5,020.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.