Home / 4,111.39-6,167.14-1,338.07

Finding the Fourth Proportional to 4,111.39, 6,167.14 and 1,338.07

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Solution

The fourth proportional to 4,111.39, 6,167.14 and 1,338.07 is: 2,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.39 : 6,167.14 = 1,338.07 : x
  2. Step 2: Convert to fraction form
    4,111.39/6,167.14 = 1,338.07/x
  3. Step 3: Cross multiply
    4,111.39x = 6,167.14 × 1,338.07
  4. Step 4: Simplify right side
    4,111.39x = 8,252,058.33
  5. Step 5: Solve for x
    x = 8,252,058.33/4,111.39
  6. Step 6: Final answer
    x = 2,007.12

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1.5x scale

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.