Home / 8,857.85-12,222.03-6,732.81

Finding the Fourth Proportional to 8,857.85, 12,222.03 and 6,732.81

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Solution

The fourth proportional to 8,857.85, 12,222.03 and 6,732.81 is: 9,289.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.85 : 12,222.03 = 6,732.81 : x
  2. Step 2: Convert to fraction form
    8,857.85/12,222.03 = 6,732.81/x
  3. Step 3: Cross multiply
    8,857.85x = 12,222.03 × 6,732.81
  4. Step 4: Simplify right side
    8,857.85x = 82,288,605.80
  5. Step 5: Solve for x
    x = 82,288,605.80/8,857.85
  6. Step 6: Final answer
    x = 9,289.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.