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Finding the Fourth Proportional to 7,240.00, 10,863.11 and 2,800.77

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Solution

The fourth proportional to 7,240.00, 10,863.11 and 2,800.77 is: 4,202.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.00 : 10,863.11 = 2,800.77 : x
  2. Step 2: Convert to fraction form
    7,240.00/10,863.11 = 2,800.77/x
  3. Step 3: Cross multiply
    7,240.00x = 10,863.11 × 2,800.77
  4. Step 4: Simplify right side
    7,240.00x = 30,425,108.97
  5. Step 5: Solve for x
    x = 30,425,108.97/7,240.00
  6. Step 6: Final answer
    x = 4,202.37

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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.