Home / 7,679.08-11,519.70-3,298.60

Finding the Fourth Proportional to 7,679.08, 11,519.70 and 3,298.60

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Solution

The fourth proportional to 7,679.08, 11,519.70 and 3,298.60 is: 4,948.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.08 : 11,519.70 = 3,298.60 : x
  2. Step 2: Convert to fraction form
    7,679.08/11,519.70 = 3,298.60/x
  3. Step 3: Cross multiply
    7,679.08x = 11,519.70 × 3,298.60
  4. Step 4: Simplify right side
    7,679.08x = 37,998,882.42
  5. Step 5: Solve for x
    x = 37,998,882.42/7,679.08
  6. Step 6: Final answer
    x = 4,948.36

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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.