Home / 6,523.27-9,782.88-2,139.75

Finding the Fourth Proportional to 6,523.27, 9,782.88 and 2,139.75

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Solution

The fourth proportional to 6,523.27, 9,782.88 and 2,139.75 is: 3,208.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,523.27 : 9,782.88 = 2,139.75 : x
  2. Step 2: Convert to fraction form
    6,523.27/9,782.88 = 2,139.75/x
  3. Step 3: Cross multiply
    6,523.27x = 9,782.88 × 2,139.75
  4. Step 4: Simplify right side
    6,523.27x = 20,932,909.46
  5. Step 5: Solve for x
    x = 20,932,909.46/6,523.27
  6. Step 6: Final answer
    x = 3,208.96

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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.