Home / 4,092.53-6,139.40-1,318.28

Finding the Fourth Proportional to 4,092.53, 6,139.40 and 1,318.28

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Solution

The fourth proportional to 4,092.53, 6,139.40 and 1,318.28 is: 1,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.53 : 6,139.40 = 1,318.28 : x
  2. Step 2: Convert to fraction form
    4,092.53/6,139.40 = 1,318.28/x
  3. Step 3: Cross multiply
    4,092.53x = 6,139.40 × 1,318.28
  4. Step 4: Simplify right side
    4,092.53x = 8,093,410.94
  5. Step 5: Solve for x
    x = 8,093,410.94/4,092.53
  6. Step 6: Final answer
    x = 1,977.61

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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.