Home / 8,318.73-12,473.87-2,770.12

Finding the Fourth Proportional to 8,318.73, 12,473.87 and 2,770.12

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Solution

The fourth proportional to 8,318.73, 12,473.87 and 2,770.12 is: 4,153.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.73 : 12,473.87 = 2,770.12 : x
  2. Step 2: Convert to fraction form
    8,318.73/12,473.87 = 2,770.12/x
  3. Step 3: Cross multiply
    8,318.73x = 12,473.87 × 2,770.12
  4. Step 4: Simplify right side
    8,318.73x = 34,554,176.96
  5. Step 5: Solve for x
    x = 34,554,176.96/8,318.73
  6. Step 6: Final answer
    x = 4,153.78

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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.