Home / 5,121.51-7,682.67-2,523.03

Finding the Fourth Proportional to 5,121.51, 7,682.67 and 2,523.03

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Solution

The fourth proportional to 5,121.51, 7,682.67 and 2,523.03 is: 3,784.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,121.51 : 7,682.67 = 2,523.03 : x
  2. Step 2: Convert to fraction form
    5,121.51/7,682.67 = 2,523.03/x
  3. Step 3: Cross multiply
    5,121.51x = 7,682.67 × 2,523.03
  4. Step 4: Simplify right side
    5,121.51x = 19,383,606.89
  5. Step 5: Solve for x
    x = 19,383,606.89/5,121.51
  6. Step 6: Final answer
    x = 3,784.74

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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.