Home / 5,237.82-7,228.08-2,879.91

Finding the Fourth Proportional to 5,237.82, 7,228.08 and 2,879.91

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Solution

The fourth proportional to 5,237.82, 7,228.08 and 2,879.91 is: 3,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.82 : 7,228.08 = 2,879.91 : x
  2. Step 2: Convert to fraction form
    5,237.82/7,228.08 = 2,879.91/x
  3. Step 3: Cross multiply
    5,237.82x = 7,228.08 × 2,879.91
  4. Step 4: Simplify right side
    5,237.82x = 20,816,219.87
  5. Step 5: Solve for x
    x = 20,816,219.87/5,237.82
  6. Step 6: Final answer
    x = 3,974.21

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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.