Home / 5,651.30-8,480.55-3,311.30

Finding the Fourth Proportional to 5,651.30, 8,480.55 and 3,311.30

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Solution

The fourth proportional to 5,651.30, 8,480.55 and 3,311.30 is: 4,969.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.30 : 8,480.55 = 3,311.30 : x
  2. Step 2: Convert to fraction form
    5,651.30/8,480.55 = 3,311.30/x
  3. Step 3: Cross multiply
    5,651.30x = 8,480.55 × 3,311.30
  4. Step 4: Simplify right side
    5,651.30x = 28,081,645.22
  5. Step 5: Solve for x
    x = 28,081,645.22/5,651.30
  6. Step 6: Final answer
    x = 4,969.06

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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.