Home / 7,745.38-11,618.08-1,901.99

Finding the Fourth Proportional to 7,745.38, 11,618.08 and 1,901.99

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Solution

The fourth proportional to 7,745.38, 11,618.08 and 1,901.99 is: 2,852.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.38 : 11,618.08 = 1,901.99 : x
  2. Step 2: Convert to fraction form
    7,745.38/11,618.08 = 1,901.99/x
  3. Step 3: Cross multiply
    7,745.38x = 11,618.08 × 1,901.99
  4. Step 4: Simplify right side
    7,745.38x = 22,097,496.27
  5. Step 5: Solve for x
    x = 22,097,496.27/7,745.38
  6. Step 6: Final answer
    x = 2,852.99

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Similar ratio
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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.