Home / 7,443.08-11,164.68-1,896.42

Finding the Fourth Proportional to 7,443.08, 11,164.68 and 1,896.42

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Solution

The fourth proportional to 7,443.08, 11,164.68 and 1,896.42 is: 2,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,443.08 : 11,164.68 = 1,896.42 : x
  2. Step 2: Convert to fraction form
    7,443.08/11,164.68 = 1,896.42/x
  3. Step 3: Cross multiply
    7,443.08x = 11,164.68 × 1,896.42
  4. Step 4: Simplify right side
    7,443.08x = 21,172,922.45
  5. Step 5: Solve for x
    x = 21,172,922.45/7,443.08
  6. Step 6: Final answer
    x = 2,844.65

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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.