Home / 8,683.57-13,025.96-3,489.45

Finding the Fourth Proportional to 8,683.57, 13,025.96 and 3,489.45

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Solution

The fourth proportional to 8,683.57, 13,025.96 and 3,489.45 is: 5,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,683.57 : 13,025.96 = 3,489.45 : x
  2. Step 2: Convert to fraction form
    8,683.57/13,025.96 = 3,489.45/x
  3. Step 3: Cross multiply
    8,683.57x = 13,025.96 × 3,489.45
  4. Step 4: Simplify right side
    8,683.57x = 45,453,436.12
  5. Step 5: Solve for x
    x = 45,453,436.12/8,683.57
  6. Step 6: Final answer
    x = 5,234.42

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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.