Home / 8,277.03-12,415.14-2,121.03

Finding the Fourth Proportional to 8,277.03, 12,415.14 and 2,121.03

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Solution

The fourth proportional to 8,277.03, 12,415.14 and 2,121.03 is: 3,181.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,277.03 : 12,415.14 = 2,121.03 : x
  2. Step 2: Convert to fraction form
    8,277.03/12,415.14 = 2,121.03/x
  3. Step 3: Cross multiply
    8,277.03x = 12,415.14 × 2,121.03
  4. Step 4: Simplify right side
    8,277.03x = 26,332,884.39
  5. Step 5: Solve for x
    x = 26,332,884.39/8,277.03
  6. Step 6: Final answer
    x = 3,181.44

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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.