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Finding the Fourth Proportional to 8,751.93, 13,127.94 and 2,512.05

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Solution

The fourth proportional to 8,751.93, 13,127.94 and 2,512.05 is: 3,768.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.93 : 13,127.94 = 2,512.05 : x
  2. Step 2: Convert to fraction form
    8,751.93/13,127.94 = 2,512.05/x
  3. Step 3: Cross multiply
    8,751.93x = 13,127.94 × 2,512.05
  4. Step 4: Simplify right side
    8,751.93x = 32,978,041.68
  5. Step 5: Solve for x
    x = 32,978,041.68/8,751.93
  6. Step 6: Final answer
    x = 3,768.09

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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.