Home / 7,771.98-11,658.37-2,226.15

Finding the Fourth Proportional to 7,771.98, 11,658.37 and 2,226.15

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Solution

The fourth proportional to 7,771.98, 11,658.37 and 2,226.15 is: 3,339.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.98 : 11,658.37 = 2,226.15 : x
  2. Step 2: Convert to fraction form
    7,771.98/11,658.37 = 2,226.15/x
  3. Step 3: Cross multiply
    7,771.98x = 11,658.37 × 2,226.15
  4. Step 4: Simplify right side
    7,771.98x = 25,953,222.08
  5. Step 5: Solve for x
    x = 25,953,222.08/7,771.98
  6. Step 6: Final answer
    x = 3,339.33

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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.