Home / 7,899.93-11,850.30-3,517.70

Finding the Fourth Proportional to 7,899.93, 11,850.30 and 3,517.70

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Solution

The fourth proportional to 7,899.93, 11,850.30 and 3,517.70 is: 5,276.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.93 : 11,850.30 = 3,517.70 : x
  2. Step 2: Convert to fraction form
    7,899.93/11,850.30 = 3,517.70/x
  3. Step 3: Cross multiply
    7,899.93x = 11,850.30 × 3,517.70
  4. Step 4: Simplify right side
    7,899.93x = 41,685,741.06
  5. Step 5: Solve for x
    x = 41,685,741.06/7,899.93
  6. Step 6: Final answer
    x = 5,276.72

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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.