Home / 9,039.18-13,563.90-4,879.14

Finding the Fourth Proportional to 9,039.18, 13,563.90 and 4,879.14

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Solution

The fourth proportional to 9,039.18, 13,563.90 and 4,879.14 is: 7,321.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.18 : 13,563.90 = 4,879.14 : x
  2. Step 2: Convert to fraction form
    9,039.18/13,563.90 = 4,879.14/x
  3. Step 3: Cross multiply
    9,039.18x = 13,563.90 × 4,879.14
  4. Step 4: Simplify right side
    9,039.18x = 66,180,167.05
  5. Step 5: Solve for x
    x = 66,180,167.05/9,039.18
  6. Step 6: Final answer
    x = 7,321.48

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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.