Home / 8,566.88-11,821.39-4,789.65

Finding the Fourth Proportional to 8,566.88, 11,821.39 and 4,789.65

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Solution

The fourth proportional to 8,566.88, 11,821.39 and 4,789.65 is: 6,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,566.88 : 11,821.39 = 4,789.65 : x
  2. Step 2: Convert to fraction form
    8,566.88/11,821.39 = 4,789.65/x
  3. Step 3: Cross multiply
    8,566.88x = 11,821.39 × 4,789.65
  4. Step 4: Simplify right side
    8,566.88x = 56,620,320.61
  5. Step 5: Solve for x
    x = 56,620,320.61/8,566.88
  6. Step 6: Final answer
    x = 6,609.21

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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.