Home / 8,346.36-11,517.78-4,811.56

Finding the Fourth Proportional to 8,346.36, 11,517.78 and 4,811.56

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Solution

The fourth proportional to 8,346.36, 11,517.78 and 4,811.56 is: 6,639.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.36 : 11,517.78 = 4,811.56 : x
  2. Step 2: Convert to fraction form
    8,346.36/11,517.78 = 4,811.56/x
  3. Step 3: Cross multiply
    8,346.36x = 11,517.78 × 4,811.56
  4. Step 4: Simplify right side
    8,346.36x = 55,418,489.54
  5. Step 5: Solve for x
    x = 55,418,489.54/8,346.36
  6. Step 6: Final answer
    x = 6,639.84

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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.