Home / 8,960.24-12,361.92-6,160.88

Finding the Fourth Proportional to 8,960.24, 12,361.92 and 6,160.88

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Solution

The fourth proportional to 8,960.24, 12,361.92 and 6,160.88 is: 8,499.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.24 : 12,361.92 = 6,160.88 : x
  2. Step 2: Convert to fraction form
    8,960.24/12,361.92 = 6,160.88/x
  3. Step 3: Cross multiply
    8,960.24x = 12,361.92 × 6,160.88
  4. Step 4: Simplify right side
    8,960.24x = 76,160,305.69
  5. Step 5: Solve for x
    x = 76,160,305.69/8,960.24
  6. Step 6: Final answer
    x = 8,499.81

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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.