Home / 6,768.41-9,340.52-3,783.92

Finding the Fourth Proportional to 6,768.41, 9,340.52 and 3,783.92

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Solution

The fourth proportional to 6,768.41, 9,340.52 and 3,783.92 is: 5,221.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.41 : 9,340.52 = 3,783.92 : x
  2. Step 2: Convert to fraction form
    6,768.41/9,340.52 = 3,783.92/x
  3. Step 3: Cross multiply
    6,768.41x = 9,340.52 × 3,783.92
  4. Step 4: Simplify right side
    6,768.41x = 35,343,714.82
  5. Step 5: Solve for x
    x = 35,343,714.82/6,768.41
  6. Step 6: Final answer
    x = 5,221.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.