Home / 4,120.62-6,175.17-1,923.90

Finding the Fourth Proportional to 4,120.62, 6,175.17 and 1,923.90

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Solution

The fourth proportional to 4,120.62, 6,175.17 and 1,923.90 is: 2,883.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.62 : 6,175.17 = 1,923.90 : x
  2. Step 2: Convert to fraction form
    4,120.62/6,175.17 = 1,923.90/x
  3. Step 3: Cross multiply
    4,120.62x = 6,175.17 × 1,923.90
  4. Step 4: Simplify right side
    4,120.62x = 11,880,409.56
  5. Step 5: Solve for x
    x = 11,880,409.56/4,120.62
  6. Step 6: Final answer
    x = 2,883.16

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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.