Home / 6,516.96-8,993.64-3,685.44

Finding the Fourth Proportional to 6,516.96, 8,993.64 and 3,685.44

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Solution

The fourth proportional to 6,516.96, 8,993.64 and 3,685.44 is: 5,086.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.96 : 8,993.64 = 3,685.44 : x
  2. Step 2: Convert to fraction form
    6,516.96/8,993.64 = 3,685.44/x
  3. Step 3: Cross multiply
    6,516.96x = 8,993.64 × 3,685.44
  4. Step 4: Simplify right side
    6,516.96x = 33,145,520.60
  5. Step 5: Solve for x
    x = 33,145,520.60/6,516.96
  6. Step 6: Final answer
    x = 5,086.04

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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.