Home / 10,610.90-15,917.11-3,215.94

Finding the Fourth Proportional to 10,610.90, 15,917.11 and 3,215.94

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Solution

The fourth proportional to 10,610.90, 15,917.11 and 3,215.94 is: 4,824.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,610.90 : 15,917.11 = 3,215.94 : x
  2. Step 2: Convert to fraction form
    10,610.90/15,917.11 = 3,215.94/x
  3. Step 3: Cross multiply
    10,610.90x = 15,917.11 × 3,215.94
  4. Step 4: Simplify right side
    10,610.90x = 51,188,403.00
  5. Step 5: Solve for x
    x = 51,188,403.00/10,610.90
  6. Step 6: Final answer
    x = 4,824.13

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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.