Home / 7,623.44-11,431.21-2,945.08

Finding the Fourth Proportional to 7,623.44, 11,431.21 and 2,945.08

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Solution

The fourth proportional to 7,623.44, 11,431.21 and 2,945.08 is: 4,416.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.44 : 11,431.21 = 2,945.08 : x
  2. Step 2: Convert to fraction form
    7,623.44/11,431.21 = 2,945.08/x
  3. Step 3: Cross multiply
    7,623.44x = 11,431.21 × 2,945.08
  4. Step 4: Simplify right side
    7,623.44x = 33,665,827.95
  5. Step 5: Solve for x
    x = 33,665,827.95/7,623.44
  6. Step 6: Final answer
    x = 4,416.09

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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.