Home / 8,324.08-12,481.43-3,387.94

Finding the Fourth Proportional to 8,324.08, 12,481.43 and 3,387.94

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Solution

The fourth proportional to 8,324.08, 12,481.43 and 3,387.94 is: 5,080.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,324.08 : 12,481.43 = 3,387.94 : x
  2. Step 2: Convert to fraction form
    8,324.08/12,481.43 = 3,387.94/x
  3. Step 3: Cross multiply
    8,324.08x = 12,481.43 × 3,387.94
  4. Step 4: Simplify right side
    8,324.08x = 42,286,287.81
  5. Step 5: Solve for x
    x = 42,286,287.81/8,324.08
  6. Step 6: Final answer
    x = 5,080.00

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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.