Home / 7,548.40-11,324.37-7,422.88

Finding the Fourth Proportional to 7,548.40, 11,324.37 and 7,422.88

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Solution

The fourth proportional to 7,548.40, 11,324.37 and 7,422.88 is: 11,136.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,548.40 : 11,324.37 = 7,422.88 : x
  2. Step 2: Convert to fraction form
    7,548.40/11,324.37 = 7,422.88/x
  3. Step 3: Cross multiply
    7,548.40x = 11,324.37 × 7,422.88
  4. Step 4: Simplify right side
    7,548.40x = 84,059,481.58
  5. Step 5: Solve for x
    x = 84,059,481.58/7,548.40
  6. Step 6: Final answer
    x = 11,136.07

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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.