Home / 7,160.78-10,740.37-2,230.00

Finding the Fourth Proportional to 7,160.78, 10,740.37 and 2,230.00

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Solution

The fourth proportional to 7,160.78, 10,740.37 and 2,230.00 is: 3,344.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.78 : 10,740.37 = 2,230.00 : x
  2. Step 2: Convert to fraction form
    7,160.78/10,740.37 = 2,230.00/x
  3. Step 3: Cross multiply
    7,160.78x = 10,740.37 × 2,230.00
  4. Step 4: Simplify right side
    7,160.78x = 23,951,057.27
  5. Step 5: Solve for x
    x = 23,951,057.27/7,160.78
  6. Step 6: Final answer
    x = 3,344.76

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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.