Home / 8,160.96-12,242.82-2,823.90

Finding the Fourth Proportional to 8,160.96, 12,242.82 and 2,823.90

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Solution

The fourth proportional to 8,160.96, 12,242.82 and 2,823.90 is: 4,236.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160.96 : 12,242.82 = 2,823.90 : x
  2. Step 2: Convert to fraction form
    8,160.96/12,242.82 = 2,823.90/x
  3. Step 3: Cross multiply
    8,160.96x = 12,242.82 × 2,823.90
  4. Step 4: Simplify right side
    8,160.96x = 34,572,499.40
  5. Step 5: Solve for x
    x = 34,572,499.40/8,160.96
  6. Step 6: Final answer
    x = 4,236.33

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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.