Home / 11,572.96-17,359.34-2,807.90

Finding the Fourth Proportional to 11,572.96, 17,359.34 and 2,807.90

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Solution

The fourth proportional to 11,572.96, 17,359.34 and 2,807.90 is: 4,211.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,572.96 : 17,359.34 = 2,807.90 : x
  2. Step 2: Convert to fraction form
    11,572.96/17,359.34 = 2,807.90/x
  3. Step 3: Cross multiply
    11,572.96x = 17,359.34 × 2,807.90
  4. Step 4: Simplify right side
    11,572.96x = 48,743,290.79
  5. Step 5: Solve for x
    x = 48,743,290.79/11,572.96
  6. Step 6: Final answer
    x = 4,211.83

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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.