Home / 4,664.64-6,981.70-2,553.09

Finding the Fourth Proportional to 4,664.64, 6,981.70 and 2,553.09

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Solution

The fourth proportional to 4,664.64, 6,981.70 and 2,553.09 is: 3,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,664.64 : 6,981.70 = 2,553.09 : x
  2. Step 2: Convert to fraction form
    4,664.64/6,981.70 = 2,553.09/x
  3. Step 3: Cross multiply
    4,664.64x = 6,981.70 × 2,553.09
  4. Step 4: Simplify right side
    4,664.64x = 17,824,873.50
  5. Step 5: Solve for x
    x = 17,824,873.50/4,664.64
  6. Step 6: Final answer
    x = 3,821.27

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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.