Home / 4,092.40-6,138.60-1,783.36

Finding the Fourth Proportional to 4,092.40, 6,138.60 and 1,783.36

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Solution

The fourth proportional to 4,092.40, 6,138.60 and 1,783.36 is: 2,675.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.40 : 6,138.60 = 1,783.36 : x
  2. Step 2: Convert to fraction form
    4,092.40/6,138.60 = 1,783.36/x
  3. Step 3: Cross multiply
    4,092.40x = 6,138.60 × 1,783.36
  4. Step 4: Simplify right side
    4,092.40x = 10,947,333.70
  5. Step 5: Solve for x
    x = 10,947,333.70/4,092.40
  6. Step 6: Final answer
    x = 2,675.04

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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.