Home / 8,179.77-12,271.62-2,633.64

Finding the Fourth Proportional to 8,179.77, 12,271.62 and 2,633.64

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Solution

The fourth proportional to 8,179.77, 12,271.62 and 2,633.64 is: 3,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.77 : 12,271.62 = 2,633.64 : x
  2. Step 2: Convert to fraction form
    8,179.77/12,271.62 = 2,633.64/x
  3. Step 3: Cross multiply
    8,179.77x = 12,271.62 × 2,633.64
  4. Step 4: Simplify right side
    8,179.77x = 32,318,954.77
  5. Step 5: Solve for x
    x = 32,318,954.77/8,179.77
  6. Step 6: Final answer
    x = 3,951.08

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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.