Home / 5,480.76-8,212.50-3,290.52

Finding the Fourth Proportional to 5,480.76, 8,212.50 and 3,290.52

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Solution

The fourth proportional to 5,480.76, 8,212.50 and 3,290.52 is: 4,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.76 : 8,212.50 = 3,290.52 : x
  2. Step 2: Convert to fraction form
    5,480.76/8,212.50 = 3,290.52/x
  3. Step 3: Cross multiply
    5,480.76x = 8,212.50 × 3,290.52
  4. Step 4: Simplify right side
    5,480.76x = 27,023,395.50
  5. Step 5: Solve for x
    x = 27,023,395.50/5,480.76
  6. Step 6: Final answer
    x = 4,930.59

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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.