Home / 5,515.60-8,273.40-3,182.80

Finding the Fourth Proportional to 5,515.60, 8,273.40 and 3,182.80

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Solution

The fourth proportional to 5,515.60, 8,273.40 and 3,182.80 is: 4,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.60 : 8,273.40 = 3,182.80 : x
  2. Step 2: Convert to fraction form
    5,515.60/8,273.40 = 3,182.80/x
  3. Step 3: Cross multiply
    5,515.60x = 8,273.40 × 3,182.80
  4. Step 4: Simplify right side
    5,515.60x = 26,332,577.52
  5. Step 5: Solve for x
    x = 26,332,577.52/5,515.60
  6. Step 6: Final answer
    x = 4,774.20

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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.