Home / 8,454.27-12,680.87-2,910.27

Finding the Fourth Proportional to 8,454.27, 12,680.87 and 2,910.27

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Solution

The fourth proportional to 8,454.27, 12,680.87 and 2,910.27 is: 4,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.27 : 12,680.87 = 2,910.27 : x
  2. Step 2: Convert to fraction form
    8,454.27/12,680.87 = 2,910.27/x
  3. Step 3: Cross multiply
    8,454.27x = 12,680.87 × 2,910.27
  4. Step 4: Simplify right side
    8,454.27x = 36,904,740.98
  5. Step 5: Solve for x
    x = 36,904,740.98/8,454.27
  6. Step 6: Final answer
    x = 4,365.22

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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.