Home / 8,217.27-12,334.67-3,539.59

Finding the Fourth Proportional to 8,217.27, 12,334.67 and 3,539.59

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Solution

The fourth proportional to 8,217.27, 12,334.67 and 3,539.59 is: 5,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.27 : 12,334.67 = 3,539.59 : x
  2. Step 2: Convert to fraction form
    8,217.27/12,334.67 = 3,539.59/x
  3. Step 3: Cross multiply
    8,217.27x = 12,334.67 × 3,539.59
  4. Step 4: Simplify right side
    8,217.27x = 43,659,674.59
  5. Step 5: Solve for x
    x = 43,659,674.59/8,217.27
  6. Step 6: Final answer
    x = 5,313.16

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1.5x scale

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.