Home / 8,960.27-13,440.33-2,720.43

Finding the Fourth Proportional to 8,960.27, 13,440.33 and 2,720.43

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Solution

The fourth proportional to 8,960.27, 13,440.33 and 2,720.43 is: 4,080.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.27 : 13,440.33 = 2,720.43 : x
  2. Step 2: Convert to fraction form
    8,960.27/13,440.33 = 2,720.43/x
  3. Step 3: Cross multiply
    8,960.27x = 13,440.33 × 2,720.43
  4. Step 4: Simplify right side
    8,960.27x = 36,563,476.94
  5. Step 5: Solve for x
    x = 36,563,476.94/8,960.27
  6. Step 6: Final answer
    x = 4,080.62

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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.