Home / 9,286.26-13,929.86-3,045.72

Finding the Fourth Proportional to 9,286.26, 13,929.86 and 3,045.72

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Solution

The fourth proportional to 9,286.26, 13,929.86 and 3,045.72 is: 4,568.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,286.26 : 13,929.86 = 3,045.72 : x
  2. Step 2: Convert to fraction form
    9,286.26/13,929.86 = 3,045.72/x
  3. Step 3: Cross multiply
    9,286.26x = 13,929.86 × 3,045.72
  4. Step 4: Simplify right side
    9,286.26x = 42,426,437.97
  5. Step 5: Solve for x
    x = 42,426,437.97/9,286.26
  6. Step 6: Final answer
    x = 4,568.73

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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.