Home / 8,140.48-12,177.42-6,151.33

Finding the Fourth Proportional to 8,140.48, 12,177.42 and 6,151.33

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Solution

The fourth proportional to 8,140.48, 12,177.42 and 6,151.33 is: 9,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.48 : 12,177.42 = 6,151.33 : x
  2. Step 2: Convert to fraction form
    8,140.48/12,177.42 = 6,151.33/x
  3. Step 3: Cross multiply
    8,140.48x = 12,177.42 × 6,151.33
  4. Step 4: Simplify right side
    8,140.48x = 74,907,328.97
  5. Step 5: Solve for x
    x = 74,907,328.97/8,140.48
  6. Step 6: Final answer
    x = 9,201.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.