Home / 5,276.57-7,918.38-2,813.09

Finding the Fourth Proportional to 5,276.57, 7,918.38 and 2,813.09

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Solution

The fourth proportional to 5,276.57, 7,918.38 and 2,813.09 is: 4,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,276.57 : 7,918.38 = 2,813.09 : x
  2. Step 2: Convert to fraction form
    5,276.57/7,918.38 = 2,813.09/x
  3. Step 3: Cross multiply
    5,276.57x = 7,918.38 × 2,813.09
  4. Step 4: Simplify right side
    5,276.57x = 22,275,076.00
  5. Step 5: Solve for x
    x = 22,275,076.00/5,276.57
  6. Step 6: Final answer
    x = 4,221.51

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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.