Home / 5,810.31-8,716.59-2,112.48

Finding the Fourth Proportional to 5,810.31, 8,716.59 and 2,112.48

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Solution

The fourth proportional to 5,810.31, 8,716.59 and 2,112.48 is: 3,169.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.31 : 8,716.59 = 2,112.48 : x
  2. Step 2: Convert to fraction form
    5,810.31/8,716.59 = 2,112.48/x
  3. Step 3: Cross multiply
    5,810.31x = 8,716.59 × 2,112.48
  4. Step 4: Simplify right side
    5,810.31x = 18,413,622.04
  5. Step 5: Solve for x
    x = 18,413,622.04/5,810.31
  6. Step 6: Final answer
    x = 3,169.13

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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.