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Finding the Fourth Proportional to 5,229.54, 7,837.02 and 2,890.68

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Solution

The fourth proportional to 5,229.54, 7,837.02 and 2,890.68 is: 4,331.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.54 : 7,837.02 = 2,890.68 : x
  2. Step 2: Convert to fraction form
    5,229.54/7,837.02 = 2,890.68/x
  3. Step 3: Cross multiply
    5,229.54x = 7,837.02 × 2,890.68
  4. Step 4: Simplify right side
    5,229.54x = 22,654,316.97
  5. Step 5: Solve for x
    x = 22,654,316.97/5,229.54
  6. Step 6: Final answer
    x = 4,331.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.