Home / 4,112.64-6,169.60-1,376

Finding the Fourth Proportional to 4,112.64, 6,169.60 and 1,376

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Solution

The fourth proportional to 4,112.64, 6,169.60 and 1,376 is: 2,064.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.64 : 6,169.60 = 1,376 : x
  2. Step 2: Convert to fraction form
    4,112.64/6,169.60 = 1,376/x
  3. Step 3: Cross multiply
    4,112.64x = 6,169.60 × 1,376
  4. Step 4: Simplify right side
    4,112.64x = 8,489,369.60
  5. Step 5: Solve for x
    x = 8,489,369.60/4,112.64
  6. Step 6: Final answer
    x = 2,064.21

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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.