Home / 7,751.26-11,630.32-4,419.38

Finding the Fourth Proportional to 7,751.26, 11,630.32 and 4,419.38

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Solution

The fourth proportional to 7,751.26, 11,630.32 and 4,419.38 is: 6,631.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.26 : 11,630.32 = 4,419.38 : x
  2. Step 2: Convert to fraction form
    7,751.26/11,630.32 = 4,419.38/x
  3. Step 3: Cross multiply
    7,751.26x = 11,630.32 × 4,419.38
  4. Step 4: Simplify right side
    7,751.26x = 51,398,781.50
  5. Step 5: Solve for x
    x = 51,398,781.50/7,751.26
  6. Step 6: Final answer
    x = 6,631.03

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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.