Home / 7,218.58-10,828.26-2,287.86

Finding the Fourth Proportional to 7,218.58, 10,828.26 and 2,287.86

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Solution

The fourth proportional to 7,218.58, 10,828.26 and 2,287.86 is: 3,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218.58 : 10,828.26 = 2,287.86 : x
  2. Step 2: Convert to fraction form
    7,218.58/10,828.26 = 2,287.86/x
  3. Step 3: Cross multiply
    7,218.58x = 10,828.26 × 2,287.86
  4. Step 4: Simplify right side
    7,218.58x = 24,773,542.92
  5. Step 5: Solve for x
    x = 24,773,542.92/7,218.58
  6. Step 6: Final answer
    x = 3,431.91

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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.