Home / 7,679.01-11,518.51-2,132.36

Finding the Fourth Proportional to 7,679.01, 11,518.51 and 2,132.36

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Solution

The fourth proportional to 7,679.01, 11,518.51 and 2,132.36 is: 3,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.01 : 11,518.51 = 2,132.36 : x
  2. Step 2: Convert to fraction form
    7,679.01/11,518.51 = 2,132.36/x
  3. Step 3: Cross multiply
    7,679.01x = 11,518.51 × 2,132.36
  4. Step 4: Simplify right side
    7,679.01x = 24,561,541.73
  5. Step 5: Solve for x
    x = 24,561,541.73/7,679.01
  6. Step 6: Final answer
    x = 3,198.53

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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.