Home / 8,186.70-12,280.32-2,342.82

Finding the Fourth Proportional to 8,186.70, 12,280.32 and 2,342.82

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Solution

The fourth proportional to 8,186.70, 12,280.32 and 2,342.82 is: 3,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.70 : 12,280.32 = 2,342.82 : x
  2. Step 2: Convert to fraction form
    8,186.70/12,280.32 = 2,342.82/x
  3. Step 3: Cross multiply
    8,186.70x = 12,280.32 × 2,342.82
  4. Step 4: Simplify right side
    8,186.70x = 28,770,579.30
  5. Step 5: Solve for x
    x = 28,770,579.30/8,186.70
  6. Step 6: Final answer
    x = 3,514.31

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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.