Home / 5,108.95-7,657.01-2,183.81

Finding the Fourth Proportional to 5,108.95, 7,657.01 and 2,183.81

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Solution

The fourth proportional to 5,108.95, 7,657.01 and 2,183.81 is: 3,272.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.95 : 7,657.01 = 2,183.81 : x
  2. Step 2: Convert to fraction form
    5,108.95/7,657.01 = 2,183.81/x
  3. Step 3: Cross multiply
    5,108.95x = 7,657.01 × 2,183.81
  4. Step 4: Simplify right side
    5,108.95x = 16,721,444.09
  5. Step 5: Solve for x
    x = 16,721,444.09/5,108.95
  6. Step 6: Final answer
    x = 3,272.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.