Home / 6,168.32-8,519.28-4,781.60

Finding the Fourth Proportional to 6,168.32, 8,519.28 and 4,781.60

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Solution

The fourth proportional to 6,168.32, 8,519.28 and 4,781.60 is: 6,604.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,168.32 : 8,519.28 = 4,781.60 : x
  2. Step 2: Convert to fraction form
    6,168.32/8,519.28 = 4,781.60/x
  3. Step 3: Cross multiply
    6,168.32x = 8,519.28 × 4,781.60
  4. Step 4: Simplify right side
    6,168.32x = 40,735,789.25
  5. Step 5: Solve for x
    x = 40,735,789.25/6,168.32
  6. Step 6: Final answer
    x = 6,604.03

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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.