Home / 7,427.49-11,134.62-2,813.73

Finding the Fourth Proportional to 7,427.49, 11,134.62 and 2,813.73

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Solution

The fourth proportional to 7,427.49, 11,134.62 and 2,813.73 is: 4,218.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.49 : 11,134.62 = 2,813.73 : x
  2. Step 2: Convert to fraction form
    7,427.49/11,134.62 = 2,813.73/x
  3. Step 3: Cross multiply
    7,427.49x = 11,134.62 × 2,813.73
  4. Step 4: Simplify right side
    7,427.49x = 31,329,814.33
  5. Step 5: Solve for x
    x = 31,329,814.33/7,427.49
  6. Step 6: Final answer
    x = 4,218.09

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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.