Home / 4,781.76-6,603.84-3,906.96

Finding the Fourth Proportional to 4,781.76, 6,603.84 and 3,906.96

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Solution

The fourth proportional to 4,781.76, 6,603.84 and 3,906.96 is: 5,395.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.76 : 6,603.84 = 3,906.96 : x
  2. Step 2: Convert to fraction form
    4,781.76/6,603.84 = 3,906.96/x
  3. Step 3: Cross multiply
    4,781.76x = 6,603.84 × 3,906.96
  4. Step 4: Simplify right side
    4,781.76x = 25,800,938.73
  5. Step 5: Solve for x
    x = 25,800,938.73/4,781.76
  6. Step 6: Final answer
    x = 5,395.70

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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.