Home / 4,078.81-6,112.74-2,227.15

Finding the Fourth Proportional to 4,078.81, 6,112.74 and 2,227.15

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Solution

The fourth proportional to 4,078.81, 6,112.74 and 2,227.15 is: 3,337.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.81 : 6,112.74 = 2,227.15 : x
  2. Step 2: Convert to fraction form
    4,078.81/6,112.74 = 2,227.15/x
  3. Step 3: Cross multiply
    4,078.81x = 6,112.74 × 2,227.15
  4. Step 4: Simplify right side
    4,078.81x = 13,613,988.89
  5. Step 5: Solve for x
    x = 13,613,988.89/4,078.81
  6. Step 6: Final answer
    x = 3,337.74

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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.