Home / 8,170.32-11,276.42-6,177.43

Finding the Fourth Proportional to 8,170.32, 11,276.42 and 6,177.43

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Solution

The fourth proportional to 8,170.32, 11,276.42 and 6,177.43 is: 8,525.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,170.32 : 11,276.42 = 6,177.43 : x
  2. Step 2: Convert to fraction form
    8,170.32/11,276.42 = 6,177.43/x
  3. Step 3: Cross multiply
    8,170.32x = 11,276.42 × 6,177.43
  4. Step 4: Simplify right side
    8,170.32x = 69,659,295.20
  5. Step 5: Solve for x
    x = 69,659,295.20/8,170.32
  6. Step 6: Final answer
    x = 8,525.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.