Home / 5,237.09-7,226.85-2,879.23

Finding the Fourth Proportional to 5,237.09, 7,226.85 and 2,879.23

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Solution

The fourth proportional to 5,237.09, 7,226.85 and 2,879.23 is: 3,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.09 : 7,226.85 = 2,879.23 : x
  2. Step 2: Convert to fraction form
    5,237.09/7,226.85 = 2,879.23/x
  3. Step 3: Cross multiply
    5,237.09x = 7,226.85 × 2,879.23
  4. Step 4: Simplify right side
    5,237.09x = 20,807,763.33
  5. Step 5: Solve for x
    x = 20,807,763.33/5,237.09
  6. Step 6: Final answer
    x = 3,973.15

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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.