Home / 5,682.12-8,523.56-1,786.80

Finding the Fourth Proportional to 5,682.12, 8,523.56 and 1,786.80

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Solution

The fourth proportional to 5,682.12, 8,523.56 and 1,786.80 is: 2,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,682.12 : 8,523.56 = 1,786.80 : x
  2. Step 2: Convert to fraction form
    5,682.12/8,523.56 = 1,786.80/x
  3. Step 3: Cross multiply
    5,682.12x = 8,523.56 × 1,786.80
  4. Step 4: Simplify right side
    5,682.12x = 15,229,897.01
  5. Step 5: Solve for x
    x = 15,229,897.01/5,682.12
  6. Step 6: Final answer
    x = 2,680.32

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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.