Home / 10,579.01-15,864.66-3,181.28

Finding the Fourth Proportional to 10,579.01, 15,864.66 and 3,181.28

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Solution

The fourth proportional to 10,579.01, 15,864.66 and 3,181.28 is: 4,770.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,579.01 : 15,864.66 = 3,181.28 : x
  2. Step 2: Convert to fraction form
    10,579.01/15,864.66 = 3,181.28/x
  3. Step 3: Cross multiply
    10,579.01x = 15,864.66 × 3,181.28
  4. Step 4: Simplify right side
    10,579.01x = 50,469,846.24
  5. Step 5: Solve for x
    x = 50,469,846.24/10,579.01
  6. Step 6: Final answer
    x = 4,770.76

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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.