Home / 7,939.73-11,893.44-5,157.96

Finding the Fourth Proportional to 7,939.73, 11,893.44 and 5,157.96

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Solution

The fourth proportional to 7,939.73, 11,893.44 and 5,157.96 is: 7,726.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.73 : 11,893.44 = 5,157.96 : x
  2. Step 2: Convert to fraction form
    7,939.73/11,893.44 = 5,157.96/x
  3. Step 3: Cross multiply
    7,939.73x = 11,893.44 × 5,157.96
  4. Step 4: Simplify right side
    7,939.73x = 61,345,887.78
  5. Step 5: Solve for x
    x = 61,345,887.78/7,939.73
  6. Step 6: Final answer
    x = 7,726.45

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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.