Home / 5,480.52-8,222.85-3,290.77

Finding the Fourth Proportional to 5,480.52, 8,222.85 and 3,290.77

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Solution

The fourth proportional to 5,480.52, 8,222.85 and 3,290.77 is: 4,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.52 : 8,222.85 = 3,290.77 : x
  2. Step 2: Convert to fraction form
    5,480.52/8,222.85 = 3,290.77/x
  3. Step 3: Cross multiply
    5,480.52x = 8,222.85 × 3,290.77
  4. Step 4: Simplify right side
    5,480.52x = 27,059,508.09
  5. Step 5: Solve for x
    x = 27,059,508.09/5,480.52
  6. Step 6: Final answer
    x = 4,937.40

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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.