Home / 10,208.26-15,310.44-2,810.86

Finding the Fourth Proportional to 10,208.26, 15,310.44 and 2,810.86

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Solution

The fourth proportional to 10,208.26, 15,310.44 and 2,810.86 is: 4,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.26 : 15,310.44 = 2,810.86 : x
  2. Step 2: Convert to fraction form
    10,208.26/15,310.44 = 2,810.86/x
  3. Step 3: Cross multiply
    10,208.26x = 15,310.44 × 2,810.86
  4. Step 4: Simplify right side
    10,208.26x = 43,035,503.38
  5. Step 5: Solve for x
    x = 43,035,503.38/10,208.26
  6. Step 6: Final answer
    x = 4,215.75

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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.