Home / 7,945.62-11,918.44-3,328.62

Finding the Fourth Proportional to 7,945.62, 11,918.44 and 3,328.62

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Solution

The fourth proportional to 7,945.62, 11,918.44 and 3,328.62 is: 4,992.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.62 : 11,918.44 = 3,328.62 : x
  2. Step 2: Convert to fraction form
    7,945.62/11,918.44 = 3,328.62/x
  3. Step 3: Cross multiply
    7,945.62x = 11,918.44 × 3,328.62
  4. Step 4: Simplify right side
    7,945.62x = 39,671,957.75
  5. Step 5: Solve for x
    x = 39,671,957.75/7,945.62
  6. Step 6: Final answer
    x = 4,992.93

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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.