Home / 6,227.87-9,318.74-4,991.53

Finding the Fourth Proportional to 6,227.87, 9,318.74 and 4,991.53

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Solution

The fourth proportional to 6,227.87, 9,318.74 and 4,991.53 is: 7,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,227.87 : 9,318.74 = 4,991.53 : x
  2. Step 2: Convert to fraction form
    6,227.87/9,318.74 = 4,991.53/x
  3. Step 3: Cross multiply
    6,227.87x = 9,318.74 × 4,991.53
  4. Step 4: Simplify right side
    6,227.87x = 46,514,770.27
  5. Step 5: Solve for x
    x = 46,514,770.27/6,227.87
  6. Step 6: Final answer
    x = 7,468.81

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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.