Home / 8,318.18-12,473.10-2,769.57

Finding the Fourth Proportional to 8,318.18, 12,473.10 and 2,769.57

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Solution

The fourth proportional to 8,318.18, 12,473.10 and 2,769.57 is: 4,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318.18 : 12,473.10 = 2,769.57 : x
  2. Step 2: Convert to fraction form
    8,318.18/12,473.10 = 2,769.57/x
  3. Step 3: Cross multiply
    8,318.18x = 12,473.10 × 2,769.57
  4. Step 4: Simplify right side
    8,318.18x = 34,545,123.57
  5. Step 5: Solve for x
    x = 34,545,123.57/8,318.18
  6. Step 6: Final answer
    x = 4,152.97

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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.