Home / 5,682.39-8,522.19-1,786.79

Finding the Fourth Proportional to 5,682.39, 8,522.19 and 1,786.79

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Solution

The fourth proportional to 5,682.39, 8,522.19 and 1,786.79 is: 2,679.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.39 : 8,522.19 = 1,786.79 : x
  2. Step 2: Convert to fraction form
    5,682.39/8,522.19 = 1,786.79/x
  3. Step 3: Cross multiply
    5,682.39x = 8,522.19 × 1,786.79
  4. Step 4: Simplify right side
    5,682.39x = 15,227,321.26
  5. Step 5: Solve for x
    x = 15,227,321.26/5,682.39
  6. Step 6: Final answer
    x = 2,679.74

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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.