Home / 8,837.38-13,238.54-5,328.30

Finding the Fourth Proportional to 8,837.38, 13,238.54 and 5,328.30

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Solution

The fourth proportional to 8,837.38, 13,238.54 and 5,328.30 is: 7,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,837.38 : 13,238.54 = 5,328.30 : x
  2. Step 2: Convert to fraction form
    8,837.38/13,238.54 = 5,328.30/x
  3. Step 3: Cross multiply
    8,837.38x = 13,238.54 × 5,328.30
  4. Step 4: Simplify right side
    8,837.38x = 70,538,912.68
  5. Step 5: Solve for x
    x = 70,538,912.68/8,837.38
  6. Step 6: Final answer
    x = 7,981.88

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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.