Home / 8,216.07-12,328.24-3,287.13

Finding the Fourth Proportional to 8,216.07, 12,328.24 and 3,287.13

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Solution

The fourth proportional to 8,216.07, 12,328.24 and 3,287.13 is: 4,932.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.07 : 12,328.24 = 3,287.13 : x
  2. Step 2: Convert to fraction form
    8,216.07/12,328.24 = 3,287.13/x
  3. Step 3: Cross multiply
    8,216.07x = 12,328.24 × 3,287.13
  4. Step 4: Simplify right side
    8,216.07x = 40,524,527.55
  5. Step 5: Solve for x
    x = 40,524,527.55/8,216.07
  6. Step 6: Final answer
    x = 4,932.35

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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.