Home / 4,074.54-6,112.35-1,152.78

Finding the Fourth Proportional to 4,074.54, 6,112.35 and 1,152.78

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Solution

The fourth proportional to 4,074.54, 6,112.35 and 1,152.78 is: 1,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074.54 : 6,112.35 = 1,152.78 : x
  2. Step 2: Convert to fraction form
    4,074.54/6,112.35 = 1,152.78/x
  3. Step 3: Cross multiply
    4,074.54x = 6,112.35 × 1,152.78
  4. Step 4: Simplify right side
    4,074.54x = 7,046,194.83
  5. Step 5: Solve for x
    x = 7,046,194.83/4,074.54
  6. Step 6: Final answer
    x = 1,729.32

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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.