Home / 7,745.80-11,618.54-1,902.18

Finding the Fourth Proportional to 7,745.80, 11,618.54 and 1,902.18

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Solution

The fourth proportional to 7,745.80, 11,618.54 and 1,902.18 is: 2,853.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.80 : 11,618.54 = 1,902.18 : x
  2. Step 2: Convert to fraction form
    7,745.80/11,618.54 = 1,902.18/x
  3. Step 3: Cross multiply
    7,745.80x = 11,618.54 × 1,902.18
  4. Step 4: Simplify right side
    7,745.80x = 22,100,554.42
  5. Step 5: Solve for x
    x = 22,100,554.42/7,745.80
  6. Step 6: Final answer
    x = 2,853.23

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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.