Home / 7,727.27-11,563.23-6,690.86

Finding the Fourth Proportional to 7,727.27, 11,563.23 and 6,690.86

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Solution

The fourth proportional to 7,727.27, 11,563.23 and 6,690.86 is: 10,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.27 : 11,563.23 = 6,690.86 : x
  2. Step 2: Convert to fraction form
    7,727.27/11,563.23 = 6,690.86/x
  3. Step 3: Cross multiply
    7,727.27x = 11,563.23 × 6,690.86
  4. Step 4: Simplify right side
    7,727.27x = 77,367,953.08
  5. Step 5: Solve for x
    x = 77,367,953.08/7,727.27
  6. Step 6: Final answer
    x = 10,012.33

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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.