Home / 5,112.09-7,672.25-2,892.28

Finding the Fourth Proportional to 5,112.09, 7,672.25 and 2,892.28

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Solution

The fourth proportional to 5,112.09, 7,672.25 and 2,892.28 is: 4,340.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112.09 : 7,672.25 = 2,892.28 : x
  2. Step 2: Convert to fraction form
    5,112.09/7,672.25 = 2,892.28/x
  3. Step 3: Cross multiply
    5,112.09x = 7,672.25 × 2,892.28
  4. Step 4: Simplify right side
    5,112.09x = 22,190,295.23
  5. Step 5: Solve for x
    x = 22,190,295.23/5,112.09
  6. Step 6: Final answer
    x = 4,340.75

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1.5x scale

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.