Home / 9,322.72-13,982-2,749.36

Finding the Fourth Proportional to 9,322.72, 13,982 and 2,749.36

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Solution

The fourth proportional to 9,322.72, 13,982 and 2,749.36 is: 4,123.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,322.72 : 13,982 = 2,749.36 : x
  2. Step 2: Convert to fraction form
    9,322.72/13,982 = 2,749.36/x
  3. Step 3: Cross multiply
    9,322.72x = 13,982 × 2,749.36
  4. Step 4: Simplify right side
    9,322.72x = 38,441,551.52
  5. Step 5: Solve for x
    x = 38,441,551.52/9,322.72
  6. Step 6: Final answer
    x = 4,123.43

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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.