Home / 5,218.28-7,207.62-4,224.68

Finding the Fourth Proportional to 5,218.28, 7,207.62 and 4,224.68

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Solution

The fourth proportional to 5,218.28, 7,207.62 and 4,224.68 is: 5,835.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.28 : 7,207.62 = 4,224.68 : x
  2. Step 2: Convert to fraction form
    5,218.28/7,207.62 = 4,224.68/x
  3. Step 3: Cross multiply
    5,218.28x = 7,207.62 × 4,224.68
  4. Step 4: Simplify right side
    5,218.28x = 30,449,888.06
  5. Step 5: Solve for x
    x = 30,449,888.06/5,218.28
  6. Step 6: Final answer
    x = 5,835.23

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Half scale
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Double scale
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Similar ratio
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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.