Home / 6,535.20-9,796.40-3,416.80

Finding the Fourth Proportional to 6,535.20, 9,796.40 and 3,416.80

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Solution

The fourth proportional to 6,535.20, 9,796.40 and 3,416.80 is: 5,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,535.20 : 9,796.40 = 3,416.80 : x
  2. Step 2: Convert to fraction form
    6,535.20/9,796.40 = 3,416.80/x
  3. Step 3: Cross multiply
    6,535.20x = 9,796.40 × 3,416.80
  4. Step 4: Simplify right side
    6,535.20x = 33,472,339.52
  5. Step 5: Solve for x
    x = 33,472,339.52/6,535.20
  6. Step 6: Final answer
    x = 5,121.85

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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.