Home / 4,491.78-6,196.22-2,812.86

Finding the Fourth Proportional to 4,491.78, 6,196.22 and 2,812.86

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Solution

The fourth proportional to 4,491.78, 6,196.22 and 2,812.86 is: 3,880.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.78 : 6,196.22 = 2,812.86 : x
  2. Step 2: Convert to fraction form
    4,491.78/6,196.22 = 2,812.86/x
  3. Step 3: Cross multiply
    4,491.78x = 6,196.22 × 2,812.86
  4. Step 4: Simplify right side
    4,491.78x = 17,429,072.91
  5. Step 5: Solve for x
    x = 17,429,072.91/4,491.78
  6. Step 6: Final answer
    x = 3,880.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.