Home / 8,813.76-13,222.08-3,267.12

Finding the Fourth Proportional to 8,813.76, 13,222.08 and 3,267.12

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Solution

The fourth proportional to 8,813.76, 13,222.08 and 3,267.12 is: 4,901.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,813.76 : 13,222.08 = 3,267.12 : x
  2. Step 2: Convert to fraction form
    8,813.76/13,222.08 = 3,267.12/x
  3. Step 3: Cross multiply
    8,813.76x = 13,222.08 × 3,267.12
  4. Step 4: Simplify right side
    8,813.76x = 43,198,122.01
  5. Step 5: Solve for x
    x = 43,198,122.01/8,813.76
  6. Step 6: Final answer
    x = 4,901.21

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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.