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Finding the Fourth Proportional to 5,791.12, 8,683.08 and 3,020.92

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Solution

The fourth proportional to 5,791.12, 8,683.08 and 3,020.92 is: 4,529.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,791.12 : 8,683.08 = 3,020.92 : x
  2. Step 2: Convert to fraction form
    5,791.12/8,683.08 = 3,020.92/x
  3. Step 3: Cross multiply
    5,791.12x = 8,683.08 × 3,020.92
  4. Step 4: Simplify right side
    5,791.12x = 26,230,890.03
  5. Step 5: Solve for x
    x = 26,230,890.03/5,791.12
  6. Step 6: Final answer
    x = 4,529.50

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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.