Home / 8,566.62-11,821.68-4,789.80

Finding the Fourth Proportional to 8,566.62, 11,821.68 and 4,789.80

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Solution

The fourth proportional to 8,566.62, 11,821.68 and 4,789.80 is: 6,609.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.62 : 11,821.68 = 4,789.80 : x
  2. Step 2: Convert to fraction form
    8,566.62/11,821.68 = 4,789.80/x
  3. Step 3: Cross multiply
    8,566.62x = 11,821.68 × 4,789.80
  4. Step 4: Simplify right side
    8,566.62x = 56,623,482.86
  5. Step 5: Solve for x
    x = 56,623,482.86/8,566.62
  6. Step 6: Final answer
    x = 6,609.78

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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.