Home / 5,226.31-7,837.51-2,105.25

Finding the Fourth Proportional to 5,226.31, 7,837.51 and 2,105.25

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Solution

The fourth proportional to 5,226.31, 7,837.51 and 2,105.25 is: 3,157.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.31 : 7,837.51 = 2,105.25 : x
  2. Step 2: Convert to fraction form
    5,226.31/7,837.51 = 2,105.25/x
  3. Step 3: Cross multiply
    5,226.31x = 7,837.51 × 2,105.25
  4. Step 4: Simplify right side
    5,226.31x = 16,499,917.93
  5. Step 5: Solve for x
    x = 16,499,917.93/5,226.31
  6. Step 6: Final answer
    x = 3,157.09

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1.5x scale

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.