Home / 6,519.60-9,775.80-2,134.80

Finding the Fourth Proportional to 6,519.60, 9,775.80 and 2,134.80

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Solution

The fourth proportional to 6,519.60, 9,775.80 and 2,134.80 is: 3,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.60 : 9,775.80 = 2,134.80 : x
  2. Step 2: Convert to fraction form
    6,519.60/9,775.80 = 2,134.80/x
  3. Step 3: Cross multiply
    6,519.60x = 9,775.80 × 2,134.80
  4. Step 4: Simplify right side
    6,519.60x = 20,869,377.84
  5. Step 5: Solve for x
    x = 20,869,377.84/6,519.60
  6. Step 6: Final answer
    x = 3,201.02

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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.