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Finding the Fourth Proportional to 9,093.75, 13,640.64 and 2,519.96

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Solution

The fourth proportional to 9,093.75, 13,640.64 and 2,519.96 is: 3,779.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,093.75 : 13,640.64 = 2,519.96 : x
  2. Step 2: Convert to fraction form
    9,093.75/13,640.64 = 2,519.96/x
  3. Step 3: Cross multiply
    9,093.75x = 13,640.64 × 2,519.96
  4. Step 4: Simplify right side
    9,093.75x = 34,373,798.97
  5. Step 5: Solve for x
    x = 34,373,798.97/9,093.75
  6. Step 6: Final answer
    x = 3,779.94

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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.