Home / 8,345.20-12,514.20-4,183.60

Finding the Fourth Proportional to 8,345.20, 12,514.20 and 4,183.60

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Solution

The fourth proportional to 8,345.20, 12,514.20 and 4,183.60 is: 6,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.20 : 12,514.20 = 4,183.60 : x
  2. Step 2: Convert to fraction form
    8,345.20/12,514.20 = 4,183.60/x
  3. Step 3: Cross multiply
    8,345.20x = 12,514.20 × 4,183.60
  4. Step 4: Simplify right side
    8,345.20x = 52,354,407.12
  5. Step 5: Solve for x
    x = 52,354,407.12/8,345.20
  6. Step 6: Final answer
    x = 6,273.60

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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.