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Finding the Fourth Proportional to 5,811.67, 8,019.84 and 3,293.63

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Solution

The fourth proportional to 5,811.67, 8,019.84 and 3,293.63 is: 4,545.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.67 : 8,019.84 = 3,293.63 : x
  2. Step 2: Convert to fraction form
    5,811.67/8,019.84 = 3,293.63/x
  3. Step 3: Cross multiply
    5,811.67x = 8,019.84 × 3,293.63
  4. Step 4: Simplify right side
    5,811.67x = 26,414,385.62
  5. Step 5: Solve for x
    x = 26,414,385.62/5,811.67
  6. Step 6: Final answer
    x = 4,545.06

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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.