Home / 5,481.08-8,220.66-1,782.77

Finding the Fourth Proportional to 5,481.08, 8,220.66 and 1,782.77

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Solution

The fourth proportional to 5,481.08, 8,220.66 and 1,782.77 is: 2,673.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.08 : 8,220.66 = 1,782.77 : x
  2. Step 2: Convert to fraction form
    5,481.08/8,220.66 = 1,782.77/x
  3. Step 3: Cross multiply
    5,481.08x = 8,220.66 × 1,782.77
  4. Step 4: Simplify right side
    5,481.08x = 14,655,546.03
  5. Step 5: Solve for x
    x = 14,655,546.03/5,481.08
  6. Step 6: Final answer
    x = 2,673.84

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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.