Home / 8,138.83-11,231.83-4,601.97

Finding the Fourth Proportional to 8,138.83, 11,231.83 and 4,601.97

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Solution

The fourth proportional to 8,138.83, 11,231.83 and 4,601.97 is: 6,350.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138.83 : 11,231.83 = 4,601.97 : x
  2. Step 2: Convert to fraction form
    8,138.83/11,231.83 = 4,601.97/x
  3. Step 3: Cross multiply
    8,138.83x = 11,231.83 × 4,601.97
  4. Step 4: Simplify right side
    8,138.83x = 51,688,544.71
  5. Step 5: Solve for x
    x = 51,688,544.71/8,138.83
  6. Step 6: Final answer
    x = 6,350.86

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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.