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Finding the Fourth Proportional to 7,500.27, 11,250.41 and 1,953.60

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Solution

The fourth proportional to 7,500.27, 11,250.41 and 1,953.60 is: 2,930.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,500.27 : 11,250.41 = 1,953.60 : x
  2. Step 2: Convert to fraction form
    7,500.27/11,250.41 = 1,953.60/x
  3. Step 3: Cross multiply
    7,500.27x = 11,250.41 × 1,953.60
  4. Step 4: Simplify right side
    7,500.27x = 21,978,800.98
  5. Step 5: Solve for x
    x = 21,978,800.98/7,500.27
  6. Step 6: Final answer
    x = 2,930.40

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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.