Home / 8,313.84-12,467.32-3,380.13

Finding the Fourth Proportional to 8,313.84, 12,467.32 and 3,380.13

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Solution

The fourth proportional to 8,313.84, 12,467.32 and 3,380.13 is: 5,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.84 : 12,467.32 = 3,380.13 : x
  2. Step 2: Convert to fraction form
    8,313.84/12,467.32 = 3,380.13/x
  3. Step 3: Cross multiply
    8,313.84x = 12,467.32 × 3,380.13
  4. Step 4: Simplify right side
    8,313.84x = 42,141,153.90
  5. Step 5: Solve for x
    x = 42,141,153.90/8,313.84
  6. Step 6: Final answer
    x = 5,068.80

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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.