Home / 5,400.25-8,104.02-2,112.93

Finding the Fourth Proportional to 5,400.25, 8,104.02 and 2,112.93

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Solution

The fourth proportional to 5,400.25, 8,104.02 and 2,112.93 is: 3,170.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.25 : 8,104.02 = 2,112.93 : x
  2. Step 2: Convert to fraction form
    5,400.25/8,104.02 = 2,112.93/x
  3. Step 3: Cross multiply
    5,400.25x = 8,104.02 × 2,112.93
  4. Step 4: Simplify right side
    5,400.25x = 17,123,226.98
  5. Step 5: Solve for x
    x = 17,123,226.98/5,400.25
  6. Step 6: Final answer
    x = 3,170.82

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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.