Home / 7,768.99-11,651.52-2,222.37

Finding the Fourth Proportional to 7,768.99, 11,651.52 and 2,222.37

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Solution

The fourth proportional to 7,768.99, 11,651.52 and 2,222.37 is: 3,332.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768.99 : 11,651.52 = 2,222.37 : x
  2. Step 2: Convert to fraction form
    7,768.99/11,651.52 = 2,222.37/x
  3. Step 3: Cross multiply
    7,768.99x = 11,651.52 × 2,222.37
  4. Step 4: Simplify right side
    7,768.99x = 25,893,930.24
  5. Step 5: Solve for x
    x = 25,893,930.24/7,768.99
  6. Step 6: Final answer
    x = 3,332.99

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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.