Home / 5,678.24-8,521.07-3,217.86

Finding the Fourth Proportional to 5,678.24, 8,521.07 and 3,217.86

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Solution

The fourth proportional to 5,678.24, 8,521.07 and 3,217.86 is: 4,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678.24 : 8,521.07 = 3,217.86 : x
  2. Step 2: Convert to fraction form
    5,678.24/8,521.07 = 3,217.86/x
  3. Step 3: Cross multiply
    5,678.24x = 8,521.07 × 3,217.86
  4. Step 4: Simplify right side
    5,678.24x = 27,419,594.22
  5. Step 5: Solve for x
    x = 27,419,594.22/5,678.24
  6. Step 6: Final answer
    x = 4,828.89

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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.