Home / 8,688.96-13,033.92-3,494.16

Finding the Fourth Proportional to 8,688.96, 13,033.92 and 3,494.16

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Solution

The fourth proportional to 8,688.96, 13,033.92 and 3,494.16 is: 5,241.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.96 : 13,033.92 = 3,494.16 : x
  2. Step 2: Convert to fraction form
    8,688.96/13,033.92 = 3,494.16/x
  3. Step 3: Cross multiply
    8,688.96x = 13,033.92 × 3,494.16
  4. Step 4: Simplify right side
    8,688.96x = 45,542,601.91
  5. Step 5: Solve for x
    x = 45,542,601.91/8,688.96
  6. Step 6: Final answer
    x = 5,241.43

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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.