Home / 4,943.37-7,414.40-1,385.75

Finding the Fourth Proportional to 4,943.37, 7,414.40 and 1,385.75

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Solution

The fourth proportional to 4,943.37, 7,414.40 and 1,385.75 is: 2,078.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.37 : 7,414.40 = 1,385.75 : x
  2. Step 2: Convert to fraction form
    4,943.37/7,414.40 = 1,385.75/x
  3. Step 3: Cross multiply
    4,943.37x = 7,414.40 × 1,385.75
  4. Step 4: Simplify right side
    4,943.37x = 10,274,460.80
  5. Step 5: Solve for x
    x = 10,274,460.80/4,943.37
  6. Step 6: Final answer
    x = 2,078.43

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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.