Home / 8,318.20-12,473.10-2,769.56

Finding the Fourth Proportional to 8,318.20, 12,473.10 and 2,769.56

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Solution

The fourth proportional to 8,318.20, 12,473.10 and 2,769.56 is: 4,152.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.20 : 12,473.10 = 2,769.56 : x
  2. Step 2: Convert to fraction form
    8,318.20/12,473.10 = 2,769.56/x
  3. Step 3: Cross multiply
    8,318.20x = 12,473.10 × 2,769.56
  4. Step 4: Simplify right side
    8,318.20x = 34,544,998.84
  5. Step 5: Solve for x
    x = 34,544,998.84/8,318.20
  6. Step 6: Final answer
    x = 4,152.94

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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.