Home / 5,218.20-7,201.01-3,228.23

Finding the Fourth Proportional to 5,218.20, 7,201.01 and 3,228.23

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Solution

The fourth proportional to 5,218.20, 7,201.01 and 3,228.23 is: 4,454.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.20 : 7,201.01 = 3,228.23 : x
  2. Step 2: Convert to fraction form
    5,218.20/7,201.01 = 3,228.23/x
  3. Step 3: Cross multiply
    5,218.20x = 7,201.01 × 3,228.23
  4. Step 4: Simplify right side
    5,218.20x = 23,246,516.51
  5. Step 5: Solve for x
    x = 23,246,516.51/5,218.20
  6. Step 6: Final answer
    x = 4,454.89

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Half scale
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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.