Home / 4,553.20-6,287.25-4,020.76

Finding the Fourth Proportional to 4,553.20, 6,287.25 and 4,020.76

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Solution

The fourth proportional to 4,553.20, 6,287.25 and 4,020.76 is: 5,552.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,553.20 : 6,287.25 = 4,020.76 : x
  2. Step 2: Convert to fraction form
    4,553.20/6,287.25 = 4,020.76/x
  3. Step 3: Cross multiply
    4,553.20x = 6,287.25 × 4,020.76
  4. Step 4: Simplify right side
    4,553.20x = 25,279,523.31
  5. Step 5: Solve for x
    x = 25,279,523.31/4,553.20
  6. Step 6: Final answer
    x = 5,552.03

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Half scale
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Double scale
Find fourth proportional to 4,554.20, 6,288.63 and 4,021.76
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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.