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Finding the Fourth Proportional to 5,771.86, 8,657.79 and 4,488.82

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Solution

The fourth proportional to 5,771.86, 8,657.79 and 4,488.82 is: 6,733.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.86 : 8,657.79 = 4,488.82 : x
  2. Step 2: Convert to fraction form
    5,771.86/8,657.79 = 4,488.82/x
  3. Step 3: Cross multiply
    5,771.86x = 8,657.79 × 4,488.82
  4. Step 4: Simplify right side
    5,771.86x = 38,863,260.91
  5. Step 5: Solve for x
    x = 38,863,260.91/5,771.86
  6. Step 6: Final answer
    x = 6,733.23

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Similar ratio
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1.5x scale

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.