Home / 4,781.46-6,601.47-3,190.38

Finding the Fourth Proportional to 4,781.46, 6,601.47 and 3,190.38

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Solution

The fourth proportional to 4,781.46, 6,601.47 and 3,190.38 is: 4,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.46 : 6,601.47 = 3,190.38 : x
  2. Step 2: Convert to fraction form
    4,781.46/6,601.47 = 3,190.38/x
  3. Step 3: Cross multiply
    4,781.46x = 6,601.47 × 3,190.38
  4. Step 4: Simplify right side
    4,781.46x = 21,061,197.86
  5. Step 5: Solve for x
    x = 21,061,197.86/4,781.46
  6. Step 6: Final answer
    x = 4,404.76

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Half scale
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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.