Home / 6,768.36-9,340.11-3,784.52

Finding the Fourth Proportional to 6,768.36, 9,340.11 and 3,784.52

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Solution

The fourth proportional to 6,768.36, 9,340.11 and 3,784.52 is: 5,222.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,768.36 : 9,340.11 = 3,784.52 : x
  2. Step 2: Convert to fraction form
    6,768.36/9,340.11 = 3,784.52/x
  3. Step 3: Cross multiply
    6,768.36x = 9,340.11 × 3,784.52
  4. Step 4: Simplify right side
    6,768.36x = 35,347,856.45
  5. Step 5: Solve for x
    x = 35,347,856.45/6,768.36
  6. Step 6: Final answer
    x = 5,222.51

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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.