Home / 7,191.23-10,789.44-2,511.93

Finding the Fourth Proportional to 7,191.23, 10,789.44 and 2,511.93

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Solution

The fourth proportional to 7,191.23, 10,789.44 and 2,511.93 is: 3,768.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.23 : 10,789.44 = 2,511.93 : x
  2. Step 2: Convert to fraction form
    7,191.23/10,789.44 = 2,511.93/x
  3. Step 3: Cross multiply
    7,191.23x = 10,789.44 × 2,511.93
  4. Step 4: Simplify right side
    7,191.23x = 27,102,288.37
  5. Step 5: Solve for x
    x = 27,102,288.37/7,191.23
  6. Step 6: Final answer
    x = 3,768.80

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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.