Home / 9,330.21-13,991.13-2,754.09

Finding the Fourth Proportional to 9,330.21, 13,991.13 and 2,754.09

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Solution

The fourth proportional to 9,330.21, 13,991.13 and 2,754.09 is: 4,129.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.21 : 13,991.13 = 2,754.09 : x
  2. Step 2: Convert to fraction form
    9,330.21/13,991.13 = 2,754.09/x
  3. Step 3: Cross multiply
    9,330.21x = 13,991.13 × 2,754.09
  4. Step 4: Simplify right side
    9,330.21x = 38,532,831.22
  5. Step 5: Solve for x
    x = 38,532,831.22/9,330.21
  6. Step 6: Final answer
    x = 4,129.90

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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.