Home / 5,237.29-7,227.39-2,879.38

Finding the Fourth Proportional to 5,237.29, 7,227.39 and 2,879.38

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Solution

The fourth proportional to 5,237.29, 7,227.39 and 2,879.38 is: 3,973.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.29 : 7,227.39 = 2,879.38 : x
  2. Step 2: Convert to fraction form
    5,237.29/7,227.39 = 2,879.38/x
  3. Step 3: Cross multiply
    5,237.29x = 7,227.39 × 2,879.38
  4. Step 4: Simplify right side
    5,237.29x = 20,810,402.22
  5. Step 5: Solve for x
    x = 20,810,402.22/5,237.29
  6. Step 6: Final answer
    x = 3,973.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.