Home / 5,545-8,312.84-2,260.45

Finding the Fourth Proportional to 5,545, 8,312.84 and 2,260.45

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Solution

The fourth proportional to 5,545, 8,312.84 and 2,260.45 is: 3,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,545 : 8,312.84 = 2,260.45 : x
  2. Step 2: Convert to fraction form
    5,545/8,312.84 = 2,260.45/x
  3. Step 3: Cross multiply
    5,545x = 8,312.84 × 2,260.45
  4. Step 4: Simplify right side
    5,545x = 18,790,759.18
  5. Step 5: Solve for x
    x = 18,790,759.18/5,545
  6. Step 6: Final answer
    x = 3,388.78

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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.