Home / 8,217.36-12,327.12-3,287.52

Finding the Fourth Proportional to 8,217.36, 12,327.12 and 3,287.52

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Solution

The fourth proportional to 8,217.36, 12,327.12 and 3,287.52 is: 4,931.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,217.36 : 12,327.12 = 3,287.52 : x
  2. Step 2: Convert to fraction form
    8,217.36/12,327.12 = 3,287.52/x
  3. Step 3: Cross multiply
    8,217.36x = 12,327.12 × 3,287.52
  4. Step 4: Simplify right side
    8,217.36x = 40,525,653.54
  5. Step 5: Solve for x
    x = 40,525,653.54/8,217.36
  6. Step 6: Final answer
    x = 4,931.71

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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.