Home / 5,400.48-8,102.36-1,936.92

Finding the Fourth Proportional to 5,400.48, 8,102.36 and 1,936.92

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Solution

The fourth proportional to 5,400.48, 8,102.36 and 1,936.92 is: 2,905.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.48 : 8,102.36 = 1,936.92 : x
  2. Step 2: Convert to fraction form
    5,400.48/8,102.36 = 1,936.92/x
  3. Step 3: Cross multiply
    5,400.48x = 8,102.36 × 1,936.92
  4. Step 4: Simplify right side
    5,400.48x = 15,693,623.13
  5. Step 5: Solve for x
    x = 15,693,623.13/5,400.48
  6. Step 6: Final answer
    x = 2,905.97

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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.