Home / 8,175.72-12,263.58-2,629.55

Finding the Fourth Proportional to 8,175.72, 12,263.58 and 2,629.55

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Solution

The fourth proportional to 8,175.72, 12,263.58 and 2,629.55 is: 3,944.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.72 : 12,263.58 = 2,629.55 : x
  2. Step 2: Convert to fraction form
    8,175.72/12,263.58 = 2,629.55/x
  3. Step 3: Cross multiply
    8,175.72x = 12,263.58 × 2,629.55
  4. Step 4: Simplify right side
    8,175.72x = 32,247,635.47
  5. Step 5: Solve for x
    x = 32,247,635.47/8,175.72
  6. Step 6: Final answer
    x = 3,944.32

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Similar ratio
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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.