Home / 10,203.25-15,305.27-2,808.29

Finding the Fourth Proportional to 10,203.25, 15,305.27 and 2,808.29

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Solution

The fourth proportional to 10,203.25, 15,305.27 and 2,808.29 is: 4,212.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,203.25 : 15,305.27 = 2,808.29 : x
  2. Step 2: Convert to fraction form
    10,203.25/15,305.27 = 2,808.29/x
  3. Step 3: Cross multiply
    10,203.25x = 15,305.27 × 2,808.29
  4. Step 4: Simplify right side
    10,203.25x = 42,981,590.61
  5. Step 5: Solve for x
    x = 42,981,590.61/10,203.25
  6. Step 6: Final answer
    x = 4,212.54

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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.