Home / 9,286.09-12,811.29-5,929.06

Finding the Fourth Proportional to 9,286.09, 12,811.29 and 5,929.06

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Solution

The fourth proportional to 9,286.09, 12,811.29 and 5,929.06 is: 8,179.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.09 : 12,811.29 = 5,929.06 : x
  2. Step 2: Convert to fraction form
    9,286.09/12,811.29 = 5,929.06/x
  3. Step 3: Cross multiply
    9,286.09x = 12,811.29 × 5,929.06
  4. Step 4: Simplify right side
    9,286.09x = 75,958,907.09
  5. Step 5: Solve for x
    x = 75,958,907.09/9,286.09
  6. Step 6: Final answer
    x = 8,179.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.