Home / 8,635.50-12,961.35-3,958.02

Finding the Fourth Proportional to 8,635.50, 12,961.35 and 3,958.02

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Solution

The fourth proportional to 8,635.50, 12,961.35 and 3,958.02 is: 5,940.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.50 : 12,961.35 = 3,958.02 : x
  2. Step 2: Convert to fraction form
    8,635.50/12,961.35 = 3,958.02/x
  3. Step 3: Cross multiply
    8,635.50x = 12,961.35 × 3,958.02
  4. Step 4: Simplify right side
    8,635.50x = 51,301,282.53
  5. Step 5: Solve for x
    x = 51,301,282.53/8,635.50
  6. Step 6: Final answer
    x = 5,940.74

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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.