Home / 8,455.38-12,682.86-3,524.91

Finding the Fourth Proportional to 8,455.38, 12,682.86 and 3,524.91

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Solution

The fourth proportional to 8,455.38, 12,682.86 and 3,524.91 is: 5,287.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.38 : 12,682.86 = 3,524.91 : x
  2. Step 2: Convert to fraction form
    8,455.38/12,682.86 = 3,524.91/x
  3. Step 3: Cross multiply
    8,455.38x = 12,682.86 × 3,524.91
  4. Step 4: Simplify right side
    8,455.38x = 44,705,940.04
  5. Step 5: Solve for x
    x = 44,705,940.04/8,455.38
  6. Step 6: Final answer
    x = 5,287.28

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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.