Home / 8,170.24-12,257.20-2,976.07

Finding the Fourth Proportional to 8,170.24, 12,257.20 and 2,976.07

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Solution

The fourth proportional to 8,170.24, 12,257.20 and 2,976.07 is: 4,464.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.24 : 12,257.20 = 2,976.07 : x
  2. Step 2: Convert to fraction form
    8,170.24/12,257.20 = 2,976.07/x
  3. Step 3: Cross multiply
    8,170.24x = 12,257.20 × 2,976.07
  4. Step 4: Simplify right side
    8,170.24x = 36,478,209.04
  5. Step 5: Solve for x
    x = 36,478,209.04/8,170.24
  6. Step 6: Final answer
    x = 4,464.77

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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.