Home / 9,321.36-13,982.12-2,752.08

Finding the Fourth Proportional to 9,321.36, 13,982.12 and 2,752.08

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Solution

The fourth proportional to 9,321.36, 13,982.12 and 2,752.08 is: 4,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.36 : 13,982.12 = 2,752.08 : x
  2. Step 2: Convert to fraction form
    9,321.36/13,982.12 = 2,752.08/x
  3. Step 3: Cross multiply
    9,321.36x = 13,982.12 × 2,752.08
  4. Step 4: Simplify right side
    9,321.36x = 38,479,912.81
  5. Step 5: Solve for x
    x = 38,479,912.81/9,321.36
  6. Step 6: Final answer
    x = 4,128.14

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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.