Home / 8,286.02-12,425.79-3,089.06

Finding the Fourth Proportional to 8,286.02, 12,425.79 and 3,089.06

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Solution

The fourth proportional to 8,286.02, 12,425.79 and 3,089.06 is: 4,632.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.02 : 12,425.79 = 3,089.06 : x
  2. Step 2: Convert to fraction form
    8,286.02/12,425.79 = 3,089.06/x
  3. Step 3: Cross multiply
    8,286.02x = 12,425.79 × 3,089.06
  4. Step 4: Simplify right side
    8,286.02x = 38,384,010.86
  5. Step 5: Solve for x
    x = 38,384,010.86/8,286.02
  6. Step 6: Final answer
    x = 4,632.38

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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.