Home / 8,329.05-12,455.62-6,222.12

Finding the Fourth Proportional to 8,329.05, 12,455.62 and 6,222.12

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Solution

The fourth proportional to 8,329.05, 12,455.62 and 6,222.12 is: 9,304.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,329.05 : 12,455.62 = 6,222.12 : x
  2. Step 2: Convert to fraction form
    8,329.05/12,455.62 = 6,222.12/x
  3. Step 3: Cross multiply
    8,329.05x = 12,455.62 × 6,222.12
  4. Step 4: Simplify right side
    8,329.05x = 77,500,362.31
  5. Step 5: Solve for x
    x = 77,500,362.31/8,329.05
  6. Step 6: Final answer
    x = 9,304.83

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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.