Home / 8,960.88-13,441.34-2,720.94

Finding the Fourth Proportional to 8,960.88, 13,441.34 and 2,720.94

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Solution

The fourth proportional to 8,960.88, 13,441.34 and 2,720.94 is: 4,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.88 : 13,441.34 = 2,720.94 : x
  2. Step 2: Convert to fraction form
    8,960.88/13,441.34 = 2,720.94/x
  3. Step 3: Cross multiply
    8,960.88x = 13,441.34 × 2,720.94
  4. Step 4: Simplify right side
    8,960.88x = 36,573,079.66
  5. Step 5: Solve for x
    x = 36,573,079.66/8,960.88
  6. Step 6: Final answer
    x = 4,081.42

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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.