Home / 8,374.12-12,551.82-3,982.35

Finding the Fourth Proportional to 8,374.12, 12,551.82 and 3,982.35

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Solution

The fourth proportional to 8,374.12, 12,551.82 and 3,982.35 is: 5,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.12 : 12,551.82 = 3,982.35 : x
  2. Step 2: Convert to fraction form
    8,374.12/12,551.82 = 3,982.35/x
  3. Step 3: Cross multiply
    8,374.12x = 12,551.82 × 3,982.35
  4. Step 4: Simplify right side
    8,374.12x = 49,985,740.38
  5. Step 5: Solve for x
    x = 49,985,740.38/8,374.12
  6. Step 6: Final answer
    x = 5,969.07

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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.