Home / 8,132.15-12,198.24-2,585.50

Finding the Fourth Proportional to 8,132.15, 12,198.24 and 2,585.50

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Solution

The fourth proportional to 8,132.15, 12,198.24 and 2,585.50 is: 3,878.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.15 : 12,198.24 = 2,585.50 : x
  2. Step 2: Convert to fraction form
    8,132.15/12,198.24 = 2,585.50/x
  3. Step 3: Cross multiply
    8,132.15x = 12,198.24 × 2,585.50
  4. Step 4: Simplify right side
    8,132.15x = 31,538,519.02
  5. Step 5: Solve for x
    x = 31,538,519.02/8,132.15
  6. Step 6: Final answer
    x = 3,878.25

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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.