Home / 8,157.17-12,230.82-4,454.27

Finding the Fourth Proportional to 8,157.17, 12,230.82 and 4,454.27

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Solution

The fourth proportional to 8,157.17, 12,230.82 and 4,454.27 is: 6,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.17 : 12,230.82 = 4,454.27 : x
  2. Step 2: Convert to fraction form
    8,157.17/12,230.82 = 4,454.27/x
  3. Step 3: Cross multiply
    8,157.17x = 12,230.82 × 4,454.27
  4. Step 4: Simplify right side
    8,157.17x = 54,479,374.60
  5. Step 5: Solve for x
    x = 54,479,374.60/8,157.17
  6. Step 6: Final answer
    x = 6,678.71

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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.