Home / 4,112.48-6,167.25-1,338.63

Finding the Fourth Proportional to 4,112.48, 6,167.25 and 1,338.63

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Solution

The fourth proportional to 4,112.48, 6,167.25 and 1,338.63 is: 2,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.48 : 6,167.25 = 1,338.63 : x
  2. Step 2: Convert to fraction form
    4,112.48/6,167.25 = 1,338.63/x
  3. Step 3: Cross multiply
    4,112.48x = 6,167.25 × 1,338.63
  4. Step 4: Simplify right side
    4,112.48x = 8,255,669.21
  5. Step 5: Solve for x
    x = 8,255,669.21/4,112.48
  6. Step 6: Final answer
    x = 2,007.47

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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.