Home / 7,162.14-9,883.71-4,177.74

Finding the Fourth Proportional to 7,162.14, 9,883.71 and 4,177.74

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Solution

The fourth proportional to 7,162.14, 9,883.71 and 4,177.74 is: 5,765.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162.14 : 9,883.71 = 4,177.74 : x
  2. Step 2: Convert to fraction form
    7,162.14/9,883.71 = 4,177.74/x
  3. Step 3: Cross multiply
    7,162.14x = 9,883.71 × 4,177.74
  4. Step 4: Simplify right side
    7,162.14x = 41,291,570.62
  5. Step 5: Solve for x
    x = 41,291,570.62/7,162.14
  6. Step 6: Final answer
    x = 5,765.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.