Home / 9,163.88-13,742.30-3,319.08

Finding the Fourth Proportional to 9,163.88, 13,742.30 and 3,319.08

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Solution

The fourth proportional to 9,163.88, 13,742.30 and 3,319.08 is: 4,977.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,163.88 : 13,742.30 = 3,319.08 : x
  2. Step 2: Convert to fraction form
    9,163.88/13,742.30 = 3,319.08/x
  3. Step 3: Cross multiply
    9,163.88x = 13,742.30 × 3,319.08
  4. Step 4: Simplify right side
    9,163.88x = 45,611,793.08
  5. Step 5: Solve for x
    x = 45,611,793.08/9,163.88
  6. Step 6: Final answer
    x = 4,977.35

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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.