Home / 5,481.89-8,222.91-1,784.13

Finding the Fourth Proportional to 5,481.89, 8,222.91 and 1,784.13

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Solution

The fourth proportional to 5,481.89, 8,222.91 and 1,784.13 is: 2,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.89 : 8,222.91 = 1,784.13 : x
  2. Step 2: Convert to fraction form
    5,481.89/8,222.91 = 1,784.13/x
  3. Step 3: Cross multiply
    5,481.89x = 8,222.91 × 1,784.13
  4. Step 4: Simplify right side
    5,481.89x = 14,670,754.29
  5. Step 5: Solve for x
    x = 14,670,754.29/5,481.89
  6. Step 6: Final answer
    x = 2,676.22

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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.