Home / 5,122.82-7,684.69-2,003.05

Finding the Fourth Proportional to 5,122.82, 7,684.69 and 2,003.05

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Solution

The fourth proportional to 5,122.82, 7,684.69 and 2,003.05 is: 3,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,122.82 : 7,684.69 = 2,003.05 : x
  2. Step 2: Convert to fraction form
    5,122.82/7,684.69 = 2,003.05/x
  3. Step 3: Cross multiply
    5,122.82x = 7,684.69 × 2,003.05
  4. Step 4: Simplify right side
    5,122.82x = 15,392,818.30
  5. Step 5: Solve for x
    x = 15,392,818.30/5,122.82
  6. Step 6: Final answer
    x = 3,004.75

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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.