Home / 5,610.07-8,415.83-1,911.31

Finding the Fourth Proportional to 5,610.07, 8,415.83 and 1,911.31

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Solution

The fourth proportional to 5,610.07, 8,415.83 and 1,911.31 is: 2,867.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,610.07 : 8,415.83 = 1,911.31 : x
  2. Step 2: Convert to fraction form
    5,610.07/8,415.83 = 1,911.31/x
  3. Step 3: Cross multiply
    5,610.07x = 8,415.83 × 1,911.31
  4. Step 4: Simplify right side
    5,610.07x = 16,085,243.78
  5. Step 5: Solve for x
    x = 16,085,243.78/5,610.07
  6. Step 6: Final answer
    x = 2,867.21

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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.