Home / 5,480.58-8,219.91-1,782.27

Finding the Fourth Proportional to 5,480.58, 8,219.91 and 1,782.27

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Solution

The fourth proportional to 5,480.58, 8,219.91 and 1,782.27 is: 2,673.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.58 : 8,219.91 = 1,782.27 : x
  2. Step 2: Convert to fraction form
    5,480.58/8,219.91 = 1,782.27/x
  3. Step 3: Cross multiply
    5,480.58x = 8,219.91 × 1,782.27
  4. Step 4: Simplify right side
    5,480.58x = 14,650,099.00
  5. Step 5: Solve for x
    x = 14,650,099.00/5,480.58
  6. Step 6: Final answer
    x = 2,673.09

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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.