Home / 8,080.08-12,120.84-3,150.96

Finding the Fourth Proportional to 8,080.08, 12,120.84 and 3,150.96

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Solution

The fourth proportional to 8,080.08, 12,120.84 and 3,150.96 is: 4,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.08 : 12,120.84 = 3,150.96 : x
  2. Step 2: Convert to fraction form
    8,080.08/12,120.84 = 3,150.96/x
  3. Step 3: Cross multiply
    8,080.08x = 12,120.84 × 3,150.96
  4. Step 4: Simplify right side
    8,080.08x = 38,192,282.01
  5. Step 5: Solve for x
    x = 38,192,282.01/8,080.08
  6. Step 6: Final answer
    x = 4,726.72

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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.