Home / 4,156.45-6,235.58-1,382.87

Finding the Fourth Proportional to 4,156.45, 6,235.58 and 1,382.87

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Solution

The fourth proportional to 4,156.45, 6,235.58 and 1,382.87 is: 2,074.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,156.45 : 6,235.58 = 1,382.87 : x
  2. Step 2: Convert to fraction form
    4,156.45/6,235.58 = 1,382.87/x
  3. Step 3: Cross multiply
    4,156.45x = 6,235.58 × 1,382.87
  4. Step 4: Simplify right side
    4,156.45x = 8,623,015.56
  5. Step 5: Solve for x
    x = 8,623,015.56/4,156.45
  6. Step 6: Final answer
    x = 2,074.61

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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.