Home / 8,132.76-12,199.26-2,586.12

Finding the Fourth Proportional to 8,132.76, 12,199.26 and 2,586.12

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Solution

The fourth proportional to 8,132.76, 12,199.26 and 2,586.12 is: 3,879.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.76 : 12,199.26 = 2,586.12 : x
  2. Step 2: Convert to fraction form
    8,132.76/12,199.26 = 2,586.12/x
  3. Step 3: Cross multiply
    8,132.76x = 12,199.26 × 2,586.12
  4. Step 4: Simplify right side
    8,132.76x = 31,548,750.27
  5. Step 5: Solve for x
    x = 31,548,750.27/8,132.76
  6. Step 6: Final answer
    x = 3,879.22

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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.