Home / 8,399.22-11,595.72-5,419.44

Finding the Fourth Proportional to 8,399.22, 11,595.72 and 5,419.44

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Solution

The fourth proportional to 8,399.22, 11,595.72 and 5,419.44 is: 7,481.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.22 : 11,595.72 = 5,419.44 : x
  2. Step 2: Convert to fraction form
    8,399.22/11,595.72 = 5,419.44/x
  3. Step 3: Cross multiply
    8,399.22x = 11,595.72 × 5,419.44
  4. Step 4: Simplify right side
    8,399.22x = 62,842,308.80
  5. Step 5: Solve for x
    x = 62,842,308.80/8,399.22
  6. Step 6: Final answer
    x = 7,481.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.