Home / 8,960.10-13,440.94-3,411.88

Finding the Fourth Proportional to 8,960.10, 13,440.94 and 3,411.88

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Solution

The fourth proportional to 8,960.10, 13,440.94 and 3,411.88 is: 5,118.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.10 : 13,440.94 = 3,411.88 : x
  2. Step 2: Convert to fraction form
    8,960.10/13,440.94 = 3,411.88/x
  3. Step 3: Cross multiply
    8,960.10x = 13,440.94 × 3,411.88
  4. Step 4: Simplify right side
    8,960.10x = 45,858,874.37
  5. Step 5: Solve for x
    x = 45,858,874.37/8,960.10
  6. Step 6: Final answer
    x = 5,118.12

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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.