Home / 5,480.33-8,219.73-1,782.59

Finding the Fourth Proportional to 5,480.33, 8,219.73 and 1,782.59

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Solution

The fourth proportional to 5,480.33, 8,219.73 and 1,782.59 is: 2,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.33 : 8,219.73 = 1,782.59 : x
  2. Step 2: Convert to fraction form
    5,480.33/8,219.73 = 1,782.59/x
  3. Step 3: Cross multiply
    5,480.33x = 8,219.73 × 1,782.59
  4. Step 4: Simplify right side
    5,480.33x = 14,652,408.50
  5. Step 5: Solve for x
    x = 14,652,408.50/5,480.33
  6. Step 6: Final answer
    x = 2,673.64

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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.