Home / 9,328.64-13,983.36-3,481.60

Finding the Fourth Proportional to 9,328.64, 13,983.36 and 3,481.60

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Solution

The fourth proportional to 9,328.64, 13,983.36 and 3,481.60 is: 5,218.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.64 : 13,983.36 = 3,481.60 : x
  2. Step 2: Convert to fraction form
    9,328.64/13,983.36 = 3,481.60/x
  3. Step 3: Cross multiply
    9,328.64x = 13,983.36 × 3,481.60
  4. Step 4: Simplify right side
    9,328.64x = 48,684,466.18
  5. Step 5: Solve for x
    x = 48,684,466.18/9,328.64
  6. Step 6: Final answer
    x = 5,218.82

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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.