Home / 8,376.03-12,563.51-3,181.77

Finding the Fourth Proportional to 8,376.03, 12,563.51 and 3,181.77

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Solution

The fourth proportional to 8,376.03, 12,563.51 and 3,181.77 is: 4,772.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.03 : 12,563.51 = 3,181.77 : x
  2. Step 2: Convert to fraction form
    8,376.03/12,563.51 = 3,181.77/x
  3. Step 3: Cross multiply
    8,376.03x = 12,563.51 × 3,181.77
  4. Step 4: Simplify right side
    8,376.03x = 39,974,183.30
  5. Step 5: Solve for x
    x = 39,974,183.30/8,376.03
  6. Step 6: Final answer
    x = 4,772.45

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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.