Home / 8,678.44-13,019.96-3,751.53

Finding the Fourth Proportional to 8,678.44, 13,019.96 and 3,751.53

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Solution

The fourth proportional to 8,678.44, 13,019.96 and 3,751.53 is: 5,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678.44 : 13,019.96 = 3,751.53 : x
  2. Step 2: Convert to fraction form
    8,678.44/13,019.96 = 3,751.53/x
  3. Step 3: Cross multiply
    8,678.44x = 13,019.96 × 3,751.53
  4. Step 4: Simplify right side
    8,678.44x = 48,844,770.54
  5. Step 5: Solve for x
    x = 48,844,770.54/8,678.44
  6. Step 6: Final answer
    x = 5,628.29

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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.