Home / 4,613-6,919.43-2,146.44

Finding the Fourth Proportional to 4,613, 6,919.43 and 2,146.44

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Solution

The fourth proportional to 4,613, 6,919.43 and 2,146.44 is: 3,219.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613 : 6,919.43 = 2,146.44 : x
  2. Step 2: Convert to fraction form
    4,613/6,919.43 = 2,146.44/x
  3. Step 3: Cross multiply
    4,613x = 6,919.43 × 2,146.44
  4. Step 4: Simplify right side
    4,613x = 14,852,141.33
  5. Step 5: Solve for x
    x = 14,852,141.33/4,613
  6. Step 6: Final answer
    x = 3,219.63

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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.