Home / 4,879.20-6,732.79-3,603.76

Finding the Fourth Proportional to 4,879.20, 6,732.79 and 3,603.76

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Solution

The fourth proportional to 4,879.20, 6,732.79 and 3,603.76 is: 4,972.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.20 : 6,732.79 = 3,603.76 : x
  2. Step 2: Convert to fraction form
    4,879.20/6,732.79 = 3,603.76/x
  3. Step 3: Cross multiply
    4,879.20x = 6,732.79 × 3,603.76
  4. Step 4: Simplify right side
    4,879.20x = 24,263,333.45
  5. Step 5: Solve for x
    x = 24,263,333.45/4,879.20
  6. Step 6: Final answer
    x = 4,972.81

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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.