Home / 6,462.39-8,919.81-3,811.56

Finding the Fourth Proportional to 6,462.39, 8,919.81 and 3,811.56

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Solution

The fourth proportional to 6,462.39, 8,919.81 and 3,811.56 is: 5,260.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,462.39 : 8,919.81 = 3,811.56 : x
  2. Step 2: Convert to fraction form
    6,462.39/8,919.81 = 3,811.56/x
  3. Step 3: Cross multiply
    6,462.39x = 8,919.81 × 3,811.56
  4. Step 4: Simplify right side
    6,462.39x = 33,998,391.00
  5. Step 5: Solve for x
    x = 33,998,391.00/6,462.39
  6. Step 6: Final answer
    x = 5,260.96

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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.