Home / 9,335.88-13,995.41-3,408.64

Finding the Fourth Proportional to 9,335.88, 13,995.41 and 3,408.64

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Solution

The fourth proportional to 9,335.88, 13,995.41 and 3,408.64 is: 5,109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,335.88 : 13,995.41 = 3,408.64 : x
  2. Step 2: Convert to fraction form
    9,335.88/13,995.41 = 3,408.64/x
  3. Step 3: Cross multiply
    9,335.88x = 13,995.41 × 3,408.64
  4. Step 4: Simplify right side
    9,335.88x = 47,705,262.31
  5. Step 5: Solve for x
    x = 47,705,262.31/9,335.88
  6. Step 6: Final answer
    x = 5,109.88

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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.